Synonyms|305Antonyms|91|Broader|13Narrower|23Related|159
3
follower
3
passerby(noun, spectator)
3
picket(noun, plant, watch, guard, agent)
3
writer
2
ace
2
analyst(noun, feature, person, individual, analysis)
2
auditor(noun, supervisor)
2
author
2
browser
2
fulfiller
2
investigator(noun, plant, agent, operative, informer)
2
listener(noun, supervisor)
2
lookout(noun, plant, watch, guard, agent)
2
noter
2
noticer
2
obeyer
2
passer-by
2
regarder
2
remarker
2
reporter
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APASmart Define. (2016). observer thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/observer/thesaurus/synonyms
ChicagoSmart Define. 2016. "observer thesaurus" https://smartdefine.org/observer/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, observer thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/observer/thesaurus/synonyms>.
MLASmart Define. "observer thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/observer/thesaurus/synonyms>