Monthly

• POS: Adjective, Noun, Adverb
• HYPHEN: month=ly

CIDE DICTIONARY

Monthly, a. 

•  Continued a month, or a performed in a month; as, the monthly revolution of the moon.  [1913 Webster]
•  Done, happening, payable, published, etc., once a month, or every month; as, a monthly visit; monthly charges; a monthly installment; a monthly magazine.  [1913 Webster]

Monthly nurse, a nurse who serves for a month or some short time, esp. one which attends women after childbirth.

Monthly, n. 

 A publication which appears regularly once a month.  [1913 Webster]

Monthly, adv. 

•  Once a month; in every month; as, the moon changes monthly.  Shak.  [1913 Webster]
•  As if under the influence of the moon; in the manner of a lunatic.  Middleton.  [1913 Webster]

OXFORD DICTIONARY

Monthly, adj., adv., & n.
--adj. done, produced, or occurring once a month.
--adv. once a month; from month to month.
--n. (pl. -ies)
1 a monthly periodical.
2 (in pl.) colloq. a menstrual period.

THESAURUS

Monthly

annual, biannual, biennial, bimonthly, biweekly, catamenial, centenary, centennial, daily, daybook, decennial, diary, diurnal, ephemeris, fortnightly, gazette, hebdomadal, hourly, journal, magazine, menstrual, momentary, momently, newsmagazine, organ, periodical, pictorial, quarterly, quotidian, review, secular, semestral, semiannual, semimonthly, semiweekly, semiyearly, serial, slick magazine, tertian, trade magazine, triennial, weekly, yearbook, yearly

ROGET THESAURUS

Monthly

Periodicity

N regularity of recurrence, periodicity, intermittence, beat, oscillation, pulse, pulsation, rhythm, alternation, alternateness, alternativeness, alternity, bout, round, revolution, rotation, turn, say, anniversary, jubilee, centenary, catamenia, courses, menses, menstrual flux, rota, cycle, period, stated time, routine, days of the week, Sunday, Monday, months of the year, January, feast, fast, Christmas, Easter, New Year's day, Allhallows, Allhallowmas, All Saints' Day, All Souls', All Souls' Day, Ash Wednesday, bicentennial, birthday, bissextile, Candlemas, Dewali, groundhog day, Halloween, Hallowmas, Lady day, leap year, Midsummer day, Muharram, woodchuck day, St. Swithin's day, natal day, yearbook, yuletide, punctuality, regularity, steadiness, periodic, periodical, serial, recurrent, cyclical, rhythmical, recurring, intermittent, remittent, alternate, every other, hourly, diurnal, daily, quotidian, tertian, weekly, hebdomadal, hebdomadary, biweekly, fortnightly, bimonthly, catamenial, monthly, menstrual, yearly, annual, biennial, triennial, centennial, secular, paschal, lenten, regular, steady, punctual, regular as clockwork, periodically, at regular intervals, at stated times, at fixed established, at established periods, punctually, de die in diem, from day to day, day by day, by turns, in turn, in rotation, alternately, every other day, off and on, ride and tie, round and round.