7
singular(adjective, wrong, unusual, wild, strange)
7
theatrical(adjective, counterfeit, regular, affected, hollow)
7
ugly(adjective, strange, look like)
6
anomalistic(adjective, good, extraordinary, strange, exceptional)
6
bogus(adjective, fake, false, mock, pretentious)
6
counterfeit(adjective, fake, false, affected, hollow)
6
eerie(adjective, unusual, strange, odd, weird)
6
ghostly(adjective, obscure, dark, superior, unusual)
6
inhuman(adjective, evil, nasty, harsh, terrible)
6
kooky(adjective, slang, unusual, wild, strange)
6
man-made(adjective, fake, false, mock, artificial)
6
mock(adjective, fake, false, pretentious, artificial)
6
oddball(extraordinary, unusual, wild, strange, crazy)
6
offbeat(adjective, extraordinary, unusual, wild, strange)
6
sham(fake, false, counterfeit, mock, affected)
6
simulated(adjective, fake, false, counterfeit, mock)
6
unaccountable(adjective, regular, supernatural, artificial, uncanny)
6
unreal(adjective, fake, false, mock, exaggerated)
5
evil(adjective, nasty, harsh, cruel, corrupt)
5
atypical(adjective, good, wrong, unusual, strange)
10 years ago|21k views|share |citing 
APASmart Define. (2016). unnatural thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unnatural/thesaurus/synonyms
ChicagoSmart Define. 2016. "unnatural thesaurus" https://smartdefine.org/unnatural/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unnatural thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unnatural/thesaurus/synonyms>.
MLASmart Define. "unnatural thesaurus" 30 March 2016. Web. 29 September 2026. <https://smartdefine.org/unnatural/thesaurus/synonyms>