Guard
Guard noun - The duty of serving as a sentry.
Usage example: he was on guard that night
Sentry go
Mutual synonyms
Cite this Source
Sentry go and Guard. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/guard/sentry_go
Guard & Sentry go. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/guard/sentry_go>.
Sentry go or Guard. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/guard/sentry_go.
Google Ngram Viewer shows how "guard" and "sentry go" have occurred on timeline