Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

sentinel

noun

Synonyms and Antonyms of sentinel

  1. a person or group that watches over someone or something <a lone sentinel kept watch over the fort> Synonyms custodian, guardian, keeper, lookout, minder, picket, guard, sentry, warden, warder, watch, watcher, watchmanRelated Words observer, patrol, spotter, surveillant, watchdog; bodyguard, convoy, defender, escort, honor guard; gatekeeper; hack [slang]




Learn More about sentinel


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).

WORD OF THE DAY

looking or feeling very sad

Get Word of the Day daily email!