/ Dictionary / Index P preadapt: Meaning and Definition of Find definitions for: pre•a•dapt Pronunciation: (prē"u-dapt'), [key] — v.i. Biol. to undergo pre-adaptation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pre-Adamite preadaptation Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language