A

• POS: Definite Article, Noun, Preposition, Verb (usu participle)

CIDE DICTIONARY

A,  

•  The first letter of the English and of many other alphabets. The capital A of the alphabets of Middle and Western Europe, as also the small letter (a), besides the forms in Italic, black letter, etc., are all descended from the old Latin A, which was borrowed from the Greek Alpha, of the same form; and this was made from the first letter (Aleph, and itself from the Egyptian origin. The Aleph was a consonant letter, with a guttural breath sound that was not an element of Greek articulation; and the Greeks took it to represent their vowel Alpha with the ä sound, the Phœnician alphabet having no vowel symbols.  [1913 Webster]
•  The name of the sixth tone in the model major scale (that in C), or the first tone of the minor scale, which is named after it the scale in A minor. The second string of the violin is tuned to the A in the treble staff. -- A sharp (A1913 Webster]

  "O fair Creseide, the flower and A per se
  Of Troy and Greece."  [1913 Webster]

A per se (L. per se by itself), one preëminent; a nonesuch. [Obs.]

A,  

•  An adjective, commonly called the indefinite article, and signifying one or any, but less emphatically.

  "It is placed before nouns of the singular number denoting an individual object, or a quality individualized, before collective nouns, and also before plural nouns when the adjective few or the phrase great many or good many is interposed; as, a dog, a house, a man; a color; a sweetness; a hundred, a fleet, a regiment; a few persons, a great many days. It is used for an, for the sake of euphony, before words beginning with a consonant sound [for exception of certain words beginning with h, see An]; as, a table, a woman, a year, a unit, a eulogy, a ewe, a oneness, such a one, etc. Formally an was used both before vowels and consonants."  [1913 Webster]
•  In each; to or for each; as, “twenty leagues a day”, “a hundred pounds a year”, “a dollar a yard”, etc.  [1913 Webster]

A, prep. [Abbreviated form of an (AS. on). See On.].

•  In; on; at; by.  [1913 Webster]
•  In process of; in the act of; into; to; -- used with verbal substantives in -ing which begin with a consonant. This is a shortened form of the preposition an (which was used before the vowel sound); as in a hunting, a building, a begging.

  "The hyphen may be used to connect a with the verbal substantive (as, a-hunting, a-building) or the words may be written separately. This form of expression is now for the most part obsolete, the a being omitted and the verbal substantive treated as a participle."  [1913 Webster]

A,  [From AS. of off, from. See Of.].

 Of.  [1913 Webster]

A,  

 A barbarous corruption of have, of he, and sometimes of it and of they.  Shak.  [1913 Webster]

A,  

 An expletive, void of sense, to fill up the meter  [1913 Webster]
"A merry heart goes all the day,
Your sad tires in a mile-a."  [1913 Webster]

OXFORD DICTIONARY

A, n. (also a) (pl. As or A's)
1 the first letter of the alphabet.
2 Mus. the sixth note of the diatonic scale of C major.
3 the first hypothetical person or example.
4 the highest class or category (of roads, academic marks, etc.).
5 (usu. a) Algebra the first known quantity.
6 a human blood type of the ABO system.

Idiom

A1
1 Naut. a a first-class vessel in Lloyd's Register of Shipping. b first-class.
2 colloq. excellent, first-rate. A1, A2 , etc. the standard paper sizes, each half the previous one, e.g. A4 = 297 x 210 mm, A5 = 210 x 148 mm. from A to B from one place to another (a means of getting from A to B). from A to Z over the entire range, completely.

A, abbr. (also A.)
1 Brit. (of films) classified as suitable for an adult audience but not necessarily for children.

Usage

Now replaced by PG.
2 = A LEVEL.
3 ampere(s).
4 answer.
5 Associate of.
6 atomic (energy etc.).

A, adj. (also an before a vowel) (called the indefinite article)
1 (as an unemphatic substitute) one, some, any.
2 one like (a Judas).
3 one single (not a thing in sight).
4 the same (all of a size).
5 in, to, or for each (twice a year; {pound}20 a man; seven a side).

A, prep. (usu. as prefix)
1 to, towards (ashore; aside).
2 (with verb in pres. part. or infin.) in the process of; in a specified state ( a-hunting; a-wandering; abuzz; aflutter).
3 on (afire; afoot).
4 in (nowadays).

A, abbr. atto-.

ROGET THESAURUS

A

Goodness

N goodness, excellence, merit, virtue, value, worth, price, super-excellence, supereminence, superiority, perfection, coup de maitre, masterpiece, chef d'ouvre, prime, flower, cream, elite, pick, A, nonesuch, nonpareil, creme de la creme, flower of the flock, cock of the roost, salt of the earth, champion, prodigy, tidbit, gem, gem of the first water, bijou, precious stone, jewel, pearl, diamond, ruby, brilliant, treasure, good thing, rara avis, one in a thousand, beneficence, good man, harmless, hurtless, unobnoxious, innocuous, innocent, inoffensive, beneficial, valuable, of value, serviceable, advantageous, edifying, profitable, salutary, favorable, propitious fair, good, good as gold, excellent, better, superior, above par, nice, fine, genuine, best, choice, select, picked, elect, recherche, rare, priceless, unparagoned, unparalleled, superlatively, good, bully, crackajack, giltedged, superfine, superexcellent, of the first water, first-rate, first-class, high- wrought, exquisite, very best, crack, prime, tiptop, capital, cardinal, standard, inimitable, admirable, estimable, praiseworthy, pleasing, couleur de rose, precious, of great price, costly, worth its weight in gold, worth a Jew's eye, priceless, invaluable, inestimable, precious as the apple of the eye, tolerable, up to the mark, unexceptionable, unobjectionable, satisfactory, tidy, in good condition, in fair condition, fresh, sound, beneficially, well, Jewels five words long, long may such goodness live!, the luxury of doing good.

Time

N time, duration, period, term, stage, space, span, spell, season, the whole time, the whole period, space-time, course, snap, intermediate time, while, interim, interval, pendency, intervention, intermission, intermittence, interregnum, interlude, respite, era, epoch, time of life, age, year, date, decade, moment, glass of time, sands of time, march of time, Father Time, ravages of time, arrow of time, river of time, whirligig of time, noiseless foot of time, scythe, continuing, on foot, permanent, while, whilst, during, pending, during the time, during the interval, in the course of, at that point, at that point in time, for the time being, day by day, in the time of, when, meantime, meanwhile, in the meantime, in the interim, ad interim, pendente lite, de die in diem, from day to day, from hour to hour, hourly, always, for a time, for a season, till, until, up to, yet, as far as, by that time, so far, hereunto, heretofore, prior to this, up to this point, the whole time, all the time, all along, throughout, for good, hereupon, thereupon, whereupon, then, anno Domini, A, D, ante Christum, A, C, before Christ, B, C, anno urbis conditae, A, U, C, anno regni, A, R, once upon a time, one fine morning, one fine day, one day, once, time flies, tempus fugit, time runs out, time runs against, race against time, racing the clock, time marches on, time is of the essence, time and tide wait for no man, ad calendas Groecas, panting Time toileth after him in vain, 'gainst the tooth of time and razure of oblivion, rich with the spoils of time, tempus edax rerum, the long hours come and go, the time is out of joint, Time rolls his ceaseless course, Time the foe of man's dominion, time wasted is existence, used is life, truditur dies die, volat hora per orbem, carpe diem, time, duration, period, term, stage, space, span, spell, season, the whole time, the whole period, space-time, course, snap, intermediate time, while, interim, interval, pendency, intervention, intermission, intermittence, interregnum, interlude, respite, era, epoch, time of life, age, year, date, decade, moment, glass of time, sands of time, march of time, Father Time, ravages of time, arrow of time, river of time, whirligig of time, noiseless foot of time, scythe, continuing, on foot, permanent, while, whilst, during, pending, during the time, during the interval, in the course of, at that point, at that point in time, for the time being, day by day, in the time of, when, meantime, meanwhile, in the meantime, in the interim, ad interim, pendente lite, de die in diem, from day to day, from hour to hour, hourly, always, for a time, for a season, till, until, up to, yet, as far as, by that time, so far, hereunto, heretofore, prior to this, up to this point, the whole time, all the time, all along, throughout, for good, hereupon, thereupon, whereupon, then, anno Domini, A, D, ante Christum, A, C, before Christ, B, C, anno urbis conditae, A, U, C, anno regni, A, R, once upon a time, one fine morning, one fine day, one day, once, time flies, tempus fugit, time runs out, time runs against, race against time, racing the clock, time marches on, time is of the essence, time and tide wait for no man, ad calendas Groecas, panting Time toileth after him in vain, 'gainst the tooth of time and razure of oblivion, rich with the spoils of time, tempus edax rerum, the long hours come and go, the time is out of joint, Time rolls his ceaseless course, Time the foe of man's dominion, time wasted is existence, used is life, truditur dies die, volat hora per orbem, carpe diem, time, duration, period, term, stage, space, span, spell, season, the whole time, the whole period, space-time, course, snap, intermediate time, while, interim, interval, pendency, intervention, intermission, intermittence, interregnum, interlude, respite, era, epoch, time of life, age, year, date, decade, moment, glass of time, sands of time, march of time, Father Time, ravages of time, arrow of time, river of time, whirligig of time, noiseless foot of time, scythe, continuing, on foot, permanent, while, whilst, during, pending, during the time, during the interval, in the course of, at that point, at that point in time, for the time being, day by day, in the time of, when, meantime, meanwhile, in the meantime, in the interim, ad interim, pendente lite, de die in diem, from day to day, from hour to hour, hourly, always, for a time, for a season, till, until, up to, yet, as far as, by that time, so far, hereunto, heretofore, prior to this, up to this point, the whole time, all the time, all along, throughout, for good, hereupon, thereupon, whereupon, then, anno Domini, A, D, ante Christum, A, C, before Christ, B, C, anno urbis conditae, A, U, C, anno regni, A, R, once upon a time, one fine morning, one fine day, one day, once, time flies, tempus fugit, time runs out, time runs against, race against time, racing the clock, time marches on, time is of the essence, time and tide wait for no man, ad calendas Groecas, panting Time toileth after him in vain, 'gainst the tooth of time and razure of oblivion, rich with the spoils of time, tempus edax rerum, the long hours come and go, the time is out of joint, Time rolls his ceaseless course, Time the foe of man's dominion, time wasted is existence, used is life, truditur dies die, volat hora per orbem, carpe diem, time, duration, period, term, stage, space, span, spell, season, the whole time, the whole period, space-time, course, snap, intermediate time, while, interim, interval, pendency, intervention, intermission, intermittence, interregnum, interlude, respite, era, epoch, time of life, age, year, date, decade, moment, glass of time, sands of time, march of time, Father Time, ravages of time, arrow of time, river of time, whirligig of time, noiseless foot of time, scythe, continuing, on foot, permanent, while, whilst, during, pending, during the time, during the interval, in the course of, at that point, at that point in time, for the time being, day by day, in the time of, when, meantime, meanwhile, in the meantime, in the interim, ad interim, pendente lite, de die in diem, from day to day, from hour to hour, hourly, always, for a time, for a season, till, until, up to, yet, as far as, by that time, so far, hereunto, heretofore, prior to this, up to this point, the whole time, all the time, all along, throughout, for good, hereupon, thereupon, whereupon, then, anno Domini, A, D, ante Christum, A, C, before Christ, B, C, anno urbis conditae, A, U, C, anno regni, A, R, once upon a time, one fine morning, one fine day, one day, once, time flies, tempus fugit, time runs out, time runs against, race against time, racing the clock, time marches on, time is of the essence, time and tide wait for no man, ad calendas Groecas, panting Time toileth after him in vain, 'gainst the tooth of time and razure of oblivion, rich with the spoils of time, tempus edax rerum, the long hours come and go, the time is out of joint, Time rolls his ceaseless course, Time the foe of man's dominion, time wasted is existence, used is life, truditur dies die, volat hora per orbem, carpe diem.

Morning

N morning, morn, forenoon, a, m, prime, dawn, daybreak, dayspring, foreday, sunup, peep of day, break of day, aurora, first blush of the morning, first flush of the morning, prime of the morning, twilight, crepuscule, sunrise, cockcrow, cockcrowing, the small hours, the wee hours of the morning, spring, vernal equinox, first point of Aries, noon, midday, noonday, noontide, meridian, prime, nooning, noontime, summer, midsummer, matin, matutinal, vernal, at sunrise, with the sun, with the lark, when the morning dawns, at shut of evening flowers, entre chien et loup, flames in the forehead of the morning sky, the breezy call of incense-breathing morn.

Mariner

N sailor, mariner, navigator, seaman, seafarer, seafaring man, dock walloper, tar, jack tar, salt, able seaman, A, B, man-of-war's man, bluejacket, galiongee, galionji, marine, jolly, midshipman, middy, skipper, shipman, boatman, ferryman, waterman, lighterman, bargeman, longshoreman, bargee, gondolier, oar, oarsman, rower, boatswain, cockswain, coxswain, steersman, pilot, crew, aerial navigator, aeronaut, balloonist, Icarus, aeroplanist, airman, aviator, birdman, man-bird, wizard of the air, aviatrix, flier, pilot, test pilot, glider pilot, bush pilot, navigator, flight attendant, steward, stewardess, crew, astronaut, cosmonaut, parachutist, paratrooper.

Teaching

N teaching, instruction, edification, education, tuition, tutorage, tutelage, direction, guidance, opsimathy, qualification, preparation, training, schooling, discipline, excitation, drill, practice, book exercise, persuasion, proselytism, propagandism, propaganda, indoctrination, inculcation, inoculation, advise, explanation, lesson, lecture, sermon, apologue, parable, discourse, prolection, preachment, chalk talk, Chautauqua, exercise, task, curriculum, course, course of study, grammar, three R's, initiation, A, B, C, elementary education, primary education, secondary education, technical education, college education, collegiate education, military education, university education, liberal education, classical education, religious education, denominational education, moral education, secular education, propaedeutics, moral tuition, gymnastics, calisthenics, physical drill, physical education, sloyd, phonics, rote, rote memorization, brute memory, cooperative learning, Montessori method, ungraded classes, test, examination, exam, final exam, mid-term exam grade, score, marks, A, B, C, D, E, F, gentleman's C, pass, fail, incomplete, homework, take-home lesson, exercise for the student, theme, project, teaching, taught, educational, scholastic, academic, doctrinal, disciplinal, instructive, instructional, didactic, propaedeutic, propaedeutical, the schoolmaster abroad, a bovi majori disscit arare minor, adeo in teneris consuecere multum est, docendo discimus, quaenocent docent, qui docet discit, sermons in stones and good in everything, teaching, instruction, edification, education, tuition, tutorage, tutelage, direction, guidance, opsimathy, qualification, preparation, training, schooling, discipline, excitation, drill, practice, book exercise, persuasion, proselytism, propagandism, propaganda, indoctrination, inculcation, inoculation, advise, explanation, lesson, lecture, sermon, apologue, parable, discourse, prolection, preachment, chalk talk, Chautauqua, exercise, task, curriculum, course, course of study, grammar, three R's, initiation, A, B, C, elementary education, primary education, secondary education, technical education, college education, collegiate education, military education, university education, liberal education, classical education, religious education, denominational education, moral education, secular education, propaedeutics, moral tuition, gymnastics, calisthenics, physical drill, physical education, sloyd, phonics, rote, rote memorization, brute memory, cooperative learning, Montessori method, ungraded classes, test, examination, exam, final exam, mid-term exam grade, score, marks, A, B, C, D, E, F, gentleman's C, pass, fail, incomplete, homework, take-home lesson, exercise for the student, theme, project, teaching, taught, educational, scholastic, academic, doctrinal, disciplinal, instructive, instructional, didactic, propaedeutic, propaedeutical, the schoolmaster abroad, a bovi majori disscit arare minor, adeo in teneris consuecere multum est, docendo discimus, quaenocent docent, qui docet discit, sermons in stones and good in everything.