/ Dictionary / Index I invigilate: Meaning and Definition of Find definitions for: in•vig•i•late Pronunciation: (in-vij'u-lāt"), [key] — -lat•ed, -lat•ing. to keep watch. to keep watch over students at an examination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: invigilate (Thesaurus) invidious invigorant Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language