2
maverick
2
mobile(adjective, upset, lively, uncertain, active)
2
odd(adjective, unusual, careless, strange, silly)
2
perilous(adjective, unstable, volatile, risky, dangerous)
2
problematic
2
queer(adjective, unusual, careless, strange, crazy)
2
quirky(adjective, unusual, careless, unstable, unreasonable)
2
rambling(adjective, strange, fantastic, irregular, improper)
2
rash(noun, passionate, violent, careless, immoral)
2
restless(unstable, unsettled, variable)
2
rocky(uneven, unbalanced, risky, unhinged, hazardous)
2
rogue
2
roving(irregular, unreliable)
2
scatterbrained(careless, immoral, thoughtless, reckless, negligent)
2
serendipitous
2
shifty(adjective, weak, uncertain, sensitive, doubtful)
2
skeptical(adjective, uncertain, shy, doubtful, hesitant)
2
spasmodic(adjective, unstable, irregular, unsettled, unreliable)
2
spontaneous(noun, thoughtless, impetuous, unwary)
2
strange(adjective, crazy, irregular, odd, unreliable)
11 years ago|19k views|share |citing 
APASmart Define. (2015). unpredictable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unpredictable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unpredictable thesaurus" https://smartdefine.org/unpredictable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unpredictable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unpredictable/thesaurus/synonyms>.
MLASmart Define. "unpredictable thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/unpredictable/thesaurus/synonyms>