Synonyms|797Antonyms|170|Broader|4Narrower|1Related|1k

138 entries under unpredictable topic. ×

3
mad(adjective, lively, changeable, temperamental)
3
planetary(adjective, irregular, unreliable)
2
desultory(irregular, unreliable)
2
dubious(irregular, unreliable, uneven, unbalanced)
2
flip(adjective, informal, lively, changeable)
2
frivolous(adjective, impulsive, unreliable, changeable)
2
gay(adjective, lively, impulsive, changeable)
2
impatient(adjective, keen, energetic, passionate, active)
2
irrepressible(adjective, lively, changeable, temperamental)
2
light(impulsive, explosive)
2
lighthearted(adjective, lively, changeable, temperamental)
2
nomadic(irregular, unreliable, motion)
2
rambling(irregular, unreliable)
2
roving(irregular, unreliable)
2
sensitive(adjective, weak, delicate, passionate, nervous)
2
spasmodic(adjective, unstable, irregular, unsettled)
2
touchy(adjective, delicate, cross, passionate, nervous)
1
any way the wind blows(adjective, careless, unstable, unreasonable)
1
bubbleheaded(adjective, lively, unreliable, changeable)
1
careless(unstable, unreasonable, changeable, variable)
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ChicagoSmart Define. 2015. "mercurial thesaurus" https://smartdefine.org/mercurial/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, mercurial thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/mercurial/thesaurus/synonyms>.
MLASmart Define. "mercurial thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/mercurial/thesaurus/synonyms>