/ Dictionary / Index B bimonthly: Meaning and Definition of Find definitions for: bi•month•ly Pronunciation: (bī-munth'lē), [key] — adj., n., pl. adv. -lies, —adj. occurring every two months. occurring twice a month; semimonthly. —n. a bimonthly publication. —adv. every two months: Next year we plan six field trips to take place bimonthly. twice a month; semimonthly. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bimonthly (Thesaurus) bimolecular bimorphemic Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language