127 entries under noun topic. ×
| agent(plant, operative, informer, mole) | |
| voyeur | |
| adopter | |
| announcer | |
| attender | |
| attestor(witness, proof, testimony, watcher) | |
| chancer | |
| checker | |
| corroborator(witness, proof, testimony, watcher) | |
| couch potato | |
| declarer | |
| defender | |
| deponent(witness, proof, testimony, watcher) | |
| describer | |
| discloser | |
| evidence | |
| experiencer | |
| exposer | |
| eyer | |
| handler |
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| APA | Smart Define. (2016). observer thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/observer/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "observer thesaurus" https://smartdefine.org/observer/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, observer thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/observer/thesaurus/synonyms>. |
| MLA | Smart Define. "observer thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/observer/thesaurus/synonyms> |