/ Dictionary / Index A acclimate: Meaning and Definition of Find definitions for: ac•cli•mate Pronunciation: (ak'lu-māt", u-klī'mit), [key] — -mat•ed, -mat•ing. to accustom or become accustomed to a new climate or environment; adapt. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acclimate (Thesaurus) acclamation acclimatize Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language