/ Dictionary / Index A ad interim: Meaning and Definition of Find definitions for: ad in•te•rim Pronunciation: (ad in'tu-rim), [key] in the meantime. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ad int. adios Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language