127 entries under noun topic. ×
| surveyor | |
| testifier(witness, proof, testimony, watcher) | |
| tracer | |
| utterer | |
| valuer | |
| watchkeeper | |
| wielder |
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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> |