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sentinel
noun
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How to pronounce sentinel:

Definition of sentinel:

sentinel (noun):
sentry
a sentry
a person employed to keep watch for some anticipated event.

Synonyms for sentinel:

bodyguard
custodian
defender
guard
guardian
keeper
lookout
lookout man
observer
patrol
picket
scout
security guard
sentry
spotter
warden
warder
watch
watcher
watchman

Antonyms for sentinel:

danger
hazard
menace
peril
risk
threat
Other 3-syllable words

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