Thesaurus

sentinel

noun

Synonyms and Antonyms of sentinel

a person or group that watches over someone or something

a lone sentinel kept watch over the fort

Synonyms of sentinel

custodian, guard, guardian, keeper, lookout, minder, picket, sentry, warden, warder, watch, watcher, watchman

Words Related to sentinel

observer, patrol, spotter, surveillant, watchdog

bodyguard, convoy, defender, escort, honor guard

hack [slang]

Learn More about sentinel

Dictionary: Definition of sentinel Medical Dictionary: Definition of sentinel Spanish Central: Translation of sentinel Nglish: Translation of sentinel for Spanish speakers Britannica English: Translation of sentinel for Arabic speakers

Seen and Heard

What made you want to look up sentinel? Please tell us where you read or heard it (including the quote, if possible).

show comments

WORD OF THE DAY

perforce

by force of circumstances

Words at Play

Ask the Editors

Word Games