/ Dictionary / Index S surveillance: Meaning and Definition of Find definitions for: sur•veil•lance Pronunciation: (sur-vā'luns, -vāl'yuns), [key] — n. a watch kept over a person, group, etc., esp. over a suspect, prisoner, or the like: The suspects were under police surveillance. supervision or superintendence. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: surveillance (Thesaurus) surveil surveillant Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language