79 entries under mysterious topic. ×

74
extraordinary(adjective, separate, wrong, severe, excellent)
67
strange(adjective, separate, simple, wrong, excellent)
55
peculiar(adjective, separate, wrong, excellent, solid)
51
bizarre(adjective, separate, extraordinary, wild, strange)
48
exceptional(adjective, separate, simple, wrong, severe)
40
curious(adjective, solid, extraordinary, strange, new)
39
weird(adjective, informal, extraordinary, strange, wonderful)
29
different(adjective, separate, wrong, superior, strange)
19
unfamiliar(adjective, obscure, strange, new, exceptional)
10
spooky(adjective, extraordinary, wonderful, marvelous, charming)
9
uncanny(adjective, evil, obscure, dark, superior)
7
alien(adjective, obscure, strange, new, different)
6
marvelous(adjective, hard, excellent, extraordinary, strange)
6
miraculous(adjective, obscure, solid, dark, extraordinary)
5
eerie(adjective, extraordinary, strange, wonderful, marvelous)
5
supernatural(adjective, obscure, dark, strange, odd)
4
foreign(adjective, obscure, strange, new, usual)
3
interesting(adjective, strong, individual, exciting)
3
out of the ordinary(expression, adjective, idiom, separate, extraordinary)
2
fascinating(adjective, extraordinary, strange, wonderful, marvelous)
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APASmart Define. (2016). unusual thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/unusual/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/unusual/thesaurus/synonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 30 September 2026. <https://smartdefine.org/unusual/thesaurus/synonyms>