18
spectator(noun, person, see, awareness, witness)
16
observer(noun, person, see, awareness, witness)
14
onlooker(noun, person, see, awareness, witness)
13
eyewitness(noun, person, witness, fan, testimony)
13
watcher(noun, person, see, awareness, witness)
13
witness(noun, person, proof, fan, observer)
11
viewer(noun, person, witness, fan, slouch)
9
looker-on(noun, person, see, awareness, witness)
8
beholder(noun, see, awareness, witness, fan)
7
gazer(noun, spectator)
6
acquaintance(friend, nearby resident)
6
looker(noun, spectator)
5
passerby(noun, person, spectator)
5
neighbor(noun, person, friend, nearness)
4
perceiver(noun, spectator)
3
associate
3
borderer
3
gaper(noun, person)
3
immediate neighbor
3
kibitzer(noun, person)
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APASmart Define. (2016). bystander thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bystander/thesaurus/synonyms
ChicagoSmart Define. 2016. "bystander thesaurus" https://smartdefine.org/bystander/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, bystander thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bystander/thesaurus/synonyms>.
MLASmart Define. "bystander thesaurus" 26 February 2016. Web. 20 September 2026. <https://smartdefine.org/bystander/thesaurus/synonyms>