Sentinel and Sentry

Sentinel

Sentinel noun - A person or group that watches over someone or something.
Usage example: a lone sentinel kept watch over the fort
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Synonyms for Sentinel

Sentry is a synonym for sentinel in guard topic. In some cases you can use "Sentry" instead a noun "Sentinel", when it comes to topics like person, attention, awareness, warden. popular alternative

Sentry

Sentry noun - A person or group that watches over someone or something.
Usage example: a sentry posted to watch for intruders
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Synonyms for Sentry

Sentinel is a synonym for sentry in guard topic. You can use "Sentinel" instead a noun "Sentry", if it concerns topics such as person, attention, awareness, warden. popular alternative
Cite this Source
Sentry and Sentinel. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/sentinel/sentry
Sentinel & Sentry. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/sentinel/sentry>.
Sentry or Sentinel. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/sentinel/sentry.
Google Ngram Viewer shows how "sentinel" and "sentry" have occurred on timeline