5
quaint(adjective, extraordinary, unusual, wild, strange)
5
tricky(adjective, difficult, delicate, awkward, complicated)
5
unnatural(adjective, wrong, unusual, wild, strange)
5
wacky(adjective, informal, eccentric)
4
crotchety(adjective, careless, unstable, unreasonable, unpredictable)
4
extraordinary(adjective, wrong, strange, improper, odd)
4
individual(adjective, characteristic, unusual, strange, special)
4
nutty(adjective, extraordinary, unusual, wild, strange)
4
screwy(adjective, eccentric)
4
unreasonable(adjective, careless, unstable, unpredictable, changeable)
3
rum(adjective, eccentric)
3
alternative(adjective, unusual, strange, eccentric)
3
deranged(adjective, nonconforming)
3
dotty
3
fey(adjective, nonconforming)
3
improper(adjective, wrong, unacceptable, nonconforming)
3
incongruous(adjective, foolish, stupid, senseless, irrational)
3
insane
3
off(adjective, nonconforming)
3
off-the-wall(adjective, eccentric)
11 years ago|10k views|share |citing 
APASmart Define. (2015). quirky thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/quirky/thesaurus/synonyms
ChicagoSmart Define. 2015. "quirky thesaurus" https://smartdefine.org/quirky/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, quirky thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/quirky/thesaurus/synonyms>.
MLASmart Define. "quirky thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/quirky/thesaurus/synonyms>