Definition

A person, usually a soldier, who stands guard at a specific place to keep watch and prevent unauthorized access.

Example

The sentry stood at the entrance, carefully watching everyone who approached.

Conversation

Did you see the sentry at the entrance of the museum?

Yeah, they looked so serious standing there!

I wonder how long they have to be a sentry during their shift.

Probably a few hours, just keeping an eye on everything.

Synonyms & Antonyms

Root Explanation

**Sentry** → It originates from the Old French word *sentinelle*, which means a guard or watchman. The term refers to a person stationed to keep watch, particularly for security purposes.

Memory Tip

Imagine a watchman standing guard, as 'sentry' comes from the Old French word for a guard. This helps you remember that a sentry is someone who keeps watch.

Visually Confused Words