Breadcrumb Home > Thesaurus > S Synonyms of sentry Find synonyms for: Noun 1. lookout, lookout man, sentinel, sentry, watch, spotter, scout, picket, watchman, watcher, security guard usage: a person employed to keep watch for some anticipated event WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of sentry (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: quisling Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language