4
disconnected(adjective, random, haphazard)
4
disturbed(adjective, anxious, unstable, irregular, agitated)
4
doubtful(adjective, unusual, strange, vague, dubious)
4
flickering(adjective, irregular, disturbed, changeable, variable)
4
foolish(adjective, wrong, wild, strange, silly)
4
freak(extraordinary, unusual, wild, strange, crazy)
4
hit-or-miss(careless, casual, irregular, frivolous, random)
4
incalculable(adjective, doubtful, dubious, unpredictable, changeable)
4
incongruous(adjective, wrong, foolish, stupid, uncertain)
4
kaleidoscopic(adjective, unstable, unsettled, variable)
4
mobile(adjective, weak, lively, active, unstable)
4
nuts(adjective, wild, silly, foolish, crazy)
4
out-of-the-way(odd, ambiguous, bizarre, rambling, incidental)
4
screwball(adjective, slang, silly, foolish, mad)
4
short-lived(adjective, impulsive, unpredictable, explosive)
4
unresolved(adjective, doubtful, vague, hesitant, changeable)
4
wanton(adjective, caprice)
4
weirdo
4
winding(adjective, irregular, crooked, ambiguous, inclined)
3
adrift
10 years ago|25k views|share |citing 
APASmart Define. (2016). erratic thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/erratic/thesaurus/synonyms
ChicagoSmart Define. 2016. "erratic thesaurus" https://smartdefine.org/erratic/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, erratic thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/erratic/thesaurus/synonyms>.
MLASmart Define. "erratic thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/erratic/thesaurus/synonyms>