5
extemporaneous(adjective, unprepared, unplanned, accidental, inadvertent)
5
haphazardly
5
hasty
5
unconsidered(adjective, organization, plan, casual, irregular)
5
undevised(adjective, unprepared, unplanned, unintentional, accidental)
5
undirected(adjective, insignificant, irregular, senseless, erratic)
5
unexpected(adjective, organization, plan, liable, dependent)
5
unprepared(adjective, unprepared)
4
accidentally
4
aleatory(adjective, accidental, unintended)
4
at random(expression, idiom, intention)
4
clumsy(adjective, neglectful)
4
cursory(adjective, casual, hasty)
4
fluky(adjective, accidental, chancy)
4
infrequent(casual, erratic, random)
4
intermittent(adjective, irregular, restless, disturbed, broken)
4
jumbled(adjective, adverb, confused, extensive, chaotic)
4
makeshift(adjective, unprepared)
4
nonsystematic(adjective, motiveless)
4
odd
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APASmart Define. (2016). haphazard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/haphazard/thesaurus/synonyms
ChicagoSmart Define. 2016. "haphazard thesaurus" https://smartdefine.org/haphazard/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, haphazard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/haphazard/thesaurus/synonyms>.
MLASmart Define. "haphazard thesaurus" 29 February 2016. Web. 24 September 2026. <https://smartdefine.org/haphazard/thesaurus/synonyms>