/ Dictionary / Index L liaise: Meaning and Definition of Find definitions for: li•aise Pronunciation: (lē-āz'), [key] — -aised, -ais•ing. to form a liaison. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: liaise (Thesaurus) liable liaison Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language