/ Dictionary / Index A ad hoc: Meaning and Definition of Find definitions for: ad hoc Pronunciation: (ad hok' Lat. äd hōk'), [key] for the special purpose or end presently under consideration: a committee formed ad hoc to deal with the issue. concerned or dealing with a specific subject, purpose, or end: The ad hoc committee disbanded after making its final report. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. adhibit ad hockery Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language