120 entries under noun topic. ×

32
guard(verb, keep, defend, watch)
30
sentry(case, watch, overlook, guard)
27
watch(verb, support, cover, keep)
25
watchman(guard, warning, safety, keeper)
20
lookout(place, watch, guard, awareness)
18
scout(case, watch, guard, warning)
17
picket(person, watch, guard, awareness)
17
protector(watch, guard, awareness, safeguard)
16
patrol(case, watch, overlook, guard)
13
spotter(case, watch, guard, sentry)
13
guardian(watch, guard, escort, protector)
7
keeper(watch, guard, champion, protector)
6
custodian(watch, guard, safeguard, champion)
6
lookout man(expression, idiom)
6
watchdog(guard, warning, safeguard, safety)
5
defender(watch, guard, shield, safeguard)
5
guardsman
5
patrolman(warning, safety)
5
ward(case, watch, overlook, guard)
4
watcher(watch, guard, lookout, sentry)
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APASmart Define. (2016). sentinel thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sentinel/thesaurus/synonyms
ChicagoSmart Define. 2016. "sentinel thesaurus" https://smartdefine.org/sentinel/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, sentinel thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sentinel/thesaurus/synonyms>.
MLASmart Define. "sentinel thesaurus" 20 March 2016. Web. 27 September 2026. <https://smartdefine.org/sentinel/thesaurus/synonyms>