sentinel sentimentless • sentinellike · · · Info · Definitions · Synonyms · Characters · · sentinel · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a person employed to keep watch for some anticipated event. Synonyms: lookout, lookout man, sentry, watch, spotter, scout, picket. · · Noun Definition 1 Synonyms · · · lookout · · Synonym 1 lookout man · · Synonym 2 sentry · · Synonym 3 watch · · Synonym 4 spotter · · Synonym 5 scout · · Synonym 6 picket · · Synonym 7 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074