Synonyms|305Antonyms|91|Broader|13Narrower|23Related|159
1
contemplator
1
continuer
1
cosmopolitan
1
critic
1
descrier
1
detective(noun, plant, watch, guard, agent)
1
detector
1
determinist
1
discerner
1
discoverer
1
distinguisher
1
divulger
1
double agent(noun, expression, plant, agent, operative)
1
drugstore cowboy
1
emissary(noun, plant, agent, operative, mole)
1
espier
1
espionage agent(noun, expression, plant, agent, operative)
1
espouser
1
examinant
1
eye-witness
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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>