127 entries under noun topic. ×
| watcher(see, plant, watch, guard) | |
| onlooker(person, see, awareness, witness) | |
| viewer(witness, fan, slouch, laggard) | |
| spectator(person, see, awareness, witness) | |
| bystander(person, see, awareness, witness) | |
| witness(proof, fan, watcher, spectator) | |
| eyewitness(person, witness, fan, testimony) | |
| beholder(see, awareness, witness, fan) | |
| perceiver | |
| gazer | |
| looker-on(see, awareness, witness, fan) | |
| looker | |
| percipient | |
| inspector | |
| commentator | |
| spy(person, plant, watch, guard) | |
| student | |
| watchman | |
| examiner | |
| finder |
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| APA | Smart Define. (2016). observer thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/observer/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "observer thesaurus" https://smartdefine.org/observer/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, observer thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/observer/thesaurus/synonyms>. |
| MLA | Smart Define. "observer thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/observer/thesaurus/synonyms> |