/ Dictionary / Index A antiplastic: Meaning and Definition of Find definitions for: an•ti•plas•tic Pronunciation: (an"tē-plas'tik, an"tī-), [key] — adj. allaying or preventing the growth of new tissue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Antiphus antipodal Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language