69 entries under irregular topic. ×

26
peculiar(adjective, characteristic, separate, extraordinary, unusual)
18
unique(adjective, feature, characteristic, separate, cool)
15
singular(adjective, characteristic, separate, cool, extraordinary)
15
strange(adjective, unusual, usual, odd)
14
bizarre(adjective, unusual, strange, usual)
14
eccentric(adjective, unusual, strange, exceptional, usual)
13
queer(adjective, unusual, wild, strange, crazy)
13
quirky(adjective, unusual, wild, strange, usual)
12
weird(adjective, unusual, strange, usual)
11
unusual(adjective, strange, exceptional, usual, original)
10
quaint(adjective, unusual, wild, strange, crazy)
8
abnormal(adjective, unusual, wild, strange, exceptional)
8
anomalous(adjective, unusual, wild, strange, new)
8
curious(adjective, unusual, wild, strange, crazy)
8
erratic(adjective, unusual, wild, strange, usual)
7
cranky(adjective, wild, strange, crazy, usual)
6
kooky(adjective, slang, unusual, wild, strange)
5
aberrant(adjective, unusual, wild, new, exceptional)
5
oddball(adjective, unusual, wild, strange, crazy)
5
unnatural(adjective, extraordinary, unusual, wild, strange)
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APASmart Define. (2016). idiosyncratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/idiosyncratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "idiosyncratic thesaurus" https://smartdefine.org/idiosyncratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, idiosyncratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/idiosyncratic/thesaurus/synonyms>.
MLASmart Define. "idiosyncratic thesaurus" 30 March 2016. Web. 22 September 2026. <https://smartdefine.org/idiosyncratic/thesaurus/synonyms>