a person or thing that watches or stands as if watching. a soldier stationed as a guard to challenge all comers and prevent a surprise attack: to stand sentinel.

What does centennial stand for?

: a 100th anniversary or its celebration.

What's another word for Sentinel?

In this page you can discover 21 synonyms, antonyms, idiomatic expressions, and related words for sentinel, like: sentry, guard, watchman, picket, watch, scout, keeper, soldier, vidette, protector and ward.