/ Dictionary / Index A antifertility: Meaning and Definition of Find definitions for: an•ti•fer•til•i•ty Pronunciation: (an"tē-fur-til'i-tē, an"tī-), [key] — adj. Pharm. of or pertaining to a substance that inhibits the ability to produce offspring; contraceptive. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: antifertility (Thesaurus) antiferromagnetic antifoaming Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language