retardation

• POS: Noun
• HYPHEN: re=tar=da=tion

CIDE DICTIONARY

retardation, n. [L. retardatio: cf. F. retardation.].

•  The act of retarding; hindrance; the act of delaying; as, the retardation of the motion of a ship; -- opposed to acceleration.  [1913 Webster]

  "The retardations of our fluent motion."  [1913 Webster]
•  That which retards; an obstacle; an obstruction.  [1913 Webster]

  "Hills, sloughs, and other terrestrial retardations."  [1913 Webster]
•  The keeping back of an approaching consonant chord by prolonging one or more tones of a previous chord into the intermediate chord which follows; -- differing from suspension by resolving upwards instead of downwards.  [1913 Webster]
•  The extent to which anything is retarded; the amount of retarding or delay.  [1913 Webster]

Retardation of the tide. (a) The lunitidal interval, or the hour angle of the moon at the time of high tide any port; the interval between the transit of the moon and the time of high tide next following. (b) The age of the tide; the retard of the tide. See under Retard, n.

THESAURUS

retardation

afterthought, amentia, arrest, arrestation, arrested development, arrestment, backwardness, bind, blithering idiocy, block, blockage, blocking, bureaucratic delay, check, clogging, closing up, closure, constraint, constriction, control, cooling, cooling down, cooling off, cramp, cretinism, curb, curtailment, deceleration, delay, delayage, delayed reaction, detainment, drag, dragging, ease-off, ease-up, fixation, flagging, foot-dragging, half-wittedness, halt, hampering, hang-up, hindering, hindrance, holdback, holdup, idiocy, idiotism, imbecility, impediment, infantilism, inhibition, injunction, insanity, interdict, interference, interim, interruption, jam, lag, lagging, legal restraint, let, letdown, letup, logjam, mental defectiveness, mental deficiency, mental handicap, mental retardation, minus acceleration, mongolianism, mongolism, mongoloid idiocy, monopoly, moratorium, moronism, moronity, negativism, nuisance value, obstruction, obstructionism, occlusion, opposition, paperasserie, pause, profound idiocy, prohibition, protection, protectionism, protective tariff, rationing, red tape, red-tapeism, red-tapery, rein, repression, reprieve, resistance, respite, restraint, restraint of trade, restriction, retardance, retardment, retrenchment, self-control, setback, simple-wittedness, simplemindedness, simpleness, simplicity, slack-up, slackening, slow-up, slowdown, slowing, slowing down, slowness, slowup, squeeze, stay, stay of execution, stop, stoppage, stranglehold, stricture, subnormality, suppression, suspension, tariff wall, thought control, tie-up, time lag, wait

ROGET THESAURUS

retardation

Hindrance

N hindrance, prevention, preclusion, obstruction, stoppage, embolus, embolism, infarct, interruption, interception, interclusion, hindrance, impedition, retardment, retardation, embarrassment, oppilation, coarctation, stricture, restriction, restraint, inhibition, blockade, interference, interposition, obtrusion, discouragement, discountenance, impediment, let, obstacle, obstruction, knot, knag, check, hitch, contretemps, screw loose, grit in the oil, bar, stile, barrier, turnstile, turnpike, gate, portcullis, beaver dam, trocha, barricade, wall, dead wall, sea wall, levee breakwater, groyne, bulkhead, block, buffer, stopper, boom, dam, weir, burrock, drawback, objection, stumbling-block, stumbling-stone, lion in the path, snag, snags and sawyers, encumbrance, incumbrance, clog, skid, shoe, spoke, drag, drag chain, drag weight, stay, stop, preventive, prophylactic, load, burden, fardel, onus, millstone round one's neck, impedimenta, dead weight, lumber, pack, nightmare, Ephialtes, incubus, old man of the sea, remora, difficulty, insuperable, obstacle, estoppel, ill wind, head wind, trammel, tether, hold back, counterpoise, damper, wet blanket, hinderer, marplot, killjoy, party pooper, party crasher, interloper, trail of a red herring, opponent, hindering, obstructive, obstruent, impeditive, impedient, intercipient, prophylactic, impedimentary, in the way of, unfavorable, onerous, burdensome, cumbrous, cumbersome, obtrusive, hindered, windbound, waterlogged, heavy laden, hard pressed, unassisted &c (assist), single-handed, alone, deserted, occurrent nubes.

Lateness

N lateness, tardiness, delay, delation, cunctation, procrastination, deferring, deferral, postponement, adjournment, prorogation, retardation, respite, pause, reprieve, stay of execution, protraction, prolongation, Fabian policy, medecine expectante, chancery suit, federal case, leeway, high time, moratorium, holdover, late, tardy, slow, behindhand, serotine, belated, postliminious, posthumous, backward, unpunctual, untimely, delayed, postponed, dilatory, delayed, in abeyance, late, lateward, backward, late in the day, at sunset, at the eleventh hour, at length, at last, ultimately, after time, behind time, after the deadline, too late, too late for, slowly, leisurely, deliberately, at one's leisure, ex post facto, sine die, nonum prematur in annum, against the sunbeams serotine and lucent, ie meglio tardi che mai, deliberando saepe perit occasio.

Slowness

N slowness, languor, drawl, creeping, lentor, retardation, slackening, delay, claudication, jog trot, dog trot, mincing steps, slow march, slow time, slow goer, slow coach, slow back, lingerer, loiterer, sluggard, tortoise, snail, poke, dawdle, slow, slack, tardy, dilatory, gentle, easy, leisurely, deliberate, gradual, insensible, imperceptible, glacial, languid, sluggish, slow paced, tardigrade, snail-like, creeping, reptatorial, slowly, leisurely, piano, adagio, largo, larghetto, at half speed, under easy sail, at a foots pace, at a snail's pace, at a funeral pace, in slow time, with mincing steps, with clipped wings, haud passibus aequis, gradually, gradatim, by degrees, by slow degrees, by inches, by little and little, step by step, one step at a time, inch by inch, bit by bit, little by little, seriatim, consecutively, dum Roma deliberat Saguntum perit, at a glacial pace.