49 entries under regular topic. ×

12
freaky(adjective, unusual, strange, odd)
10
factitious(adjective, fake, honest, false)
10
insincere(adjective, fake, counterfeit, hollow)
10
strained(adjective, difficult, awkward, fantastic)
10
studied(adjective, difficult, counterfeit, hollow)
9
imitation(adjective, fake, false, mock)
9
outlandish(adjective, unusual, wild, strange, crazy)
9
perverted(adjective, artificial)
8
ersatz(adjective, fake, informal, false, mock)
8
feigned(adjective, fake, counterfeit, hollow)
8
perverse(adjective, artificial)
8
pseudo(adjective, fake, informal, artificial)
7
assumed(adjective, counterfeit, affected, hollow)
7
phony(adjective, fake, false, counterfeit)
7
theatrical(adjective, counterfeit, affected, hollow)
6
unaccountable(adjective, supernatural, artificial, uncanny)
5
put-on(adjective, counterfeit, affected, hollow)
5
unorthodox(adjective, wrong, strange, exceptional)
3
labored(adjective, strong, false, unusual, cold)
3
make-believe(adjective, artificial)
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APASmart Define. (2016). unnatural thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unnatural/thesaurus/synonyms
ChicagoSmart Define. 2016. "unnatural thesaurus" https://smartdefine.org/unnatural/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unnatural thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unnatural/thesaurus/synonyms>.
MLASmart Define. "unnatural thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/unnatural/thesaurus/synonyms>