100 entries under irregular topic. ×

2
lubricious(adjective, careless, lively, uncertain, active)
2
rambling(adjective, strange, fantastic, improper)
2
roving
2
spasmodic(adjective, unstable, unsettled, unreliable)
2
strange(adjective, crazy, odd, unreliable)
2
unusual(adjective, unreliable, fanciful, quirky)
2
weird(adjective, unusual, strange, crazy)
1
alien(adjective, strange, fantastic, improper)
1
conflicting(adjective, strange, uncertain, odd)
1
contradictory(adjective, strange, uncertain, odd)
1
contrary(adjective, careless, uncertain, unstable, unreasonable)
1
directionless(unreliable, erratic, pointless, frivolous)
1
disconsonant(adjective, strange, fantastic, improper)
1
discordant(adjective, strange, uncertain, odd)
1
distorted(adjective, strange, fantastic, improper)
1
extraneous(adjective, strange, fantastic, improper)
1
foreign(adjective, strange, fantastic, improper)
1
illogical(adjective, strange, uncertain, fantastic)
1
inapropos(adjective, strange, fantastic, improper)
1
incoherent(adjective, strange, uncertain, fantastic)
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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>