42 entries under unstable topic. ×

16
odd(adjective, unusual, careless, strange, usual)
13
kinky(adjective, informal, unusual, careless, strange)
11
queer(adjective, wrong, unusual, careless, wild)
11
freakish(adjective, unusual, careless, strange, usual)
9
erratic(adjective, unusual, careless, wild, stupid)
7
whimsical(adjective, unusual, careless, wild)
5
fanciful(adjective, unusual, careless, unreasonable)
4
crotchety(adjective, careless, unreasonable, unpredictable)
4
unreasonable(adjective, careless, unpredictable, changeable)
3
wayward(adjective, unusual, careless, unreasonable)
2
arbitrary(unusual, careless, foolish, stupid)
2
fickle(adjective, careless, unreasonable, unpredictable)
2
flaky(unusual, careless, wild, unreasonable)
2
humorsome(careless, unreasonable, unpredictable, changeable)
2
inconstant(adjective, careless, unreasonable, unpredictable)
2
moody(careless, unreasonable, unpredictable, changeable)
2
notional(careless, unreasonable, unpredictable, changeable)
2
temperamental(careless, unreasonable, unpredictable, changeable)
2
unpredictable(adjective, unusual, careless, unreasonable)
2
vagarious(careless, unreasonable, unpredictable, changeable)
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APASmart Define. (2015). quirky thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/quirky/thesaurus/synonyms
ChicagoSmart Define. 2015. "quirky thesaurus" https://smartdefine.org/quirky/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, quirky thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/quirky/thesaurus/synonyms>.
MLASmart Define. "quirky thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/quirky/thesaurus/synonyms>