109 entries under irregular topic. ×

74
extraordinary(adjective, separate, wrong, severe, excellent)
67
strange(adjective, separate, simple, wrong, excellent)
64
uncommon(adjective, separate, simple, severe, excellent)
58
odd(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)
37
abnormal(adjective, wrong, evil, excellent, obscure)
36
queer(adjective, wrong, difficult, extraordinary, strange)
30
eccentric(noun, adjective, difficult, extraordinary, strange)
29
different(adjective, separate, wrong, superior, strange)
25
aberrant(adjective, strange, exceptional, usual)
25
unorthodox(adjective, wrong, strange, exceptional, special)
23
special(adjective, separate, simple, fancy, excellent)
21
quaint(adjective, wild, strange, new, crazy)
20
atypical(adjective, separate, wrong, excellent, extraordinary)
18
anomalous(adjective, wrong, strange, exceptional, usual)
18
unnatural(adjective, dark, strange, exceptional, usual)
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APASmart Define. (2016). unusual thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unusual/thesaurus/synonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unusual/thesaurus/synonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 25 September 2026. <https://smartdefine.org/unusual/thesaurus/synonyms>