| fleeting(adjective, capricious, motiveless) | |
| flitting(adjective, capricious, motiveless) | |
| general(adjective, extensive, chaotic, haphazard, indiscriminating) | |
| hap(noun, chance 2) | |
| hazard(noun, chance 2) | |
| higgledy-piggledy | |
| ill-defined | |
| illogical(adjective, chance, uninformed) | |
| imprecise(adjective, detached, haphazard, indiscriminating, undiscerning) | |
| impromptu(chance, unplanned, accidental, unintended, unpremeditated) | |
| inaccurate(adjective, haphazard, indiscriminating, undiscerning, indiscriminate) | |
| inadvertent(adjective, unplanned, unintentional, accidental, unintended) | |
| incoherent | |
| inconsistent | |
| inconstant(adjective, irregular, disturbed, changeable, broken) | |
| indefinitely | |
| indistinct | |
| infrequent(adjective, chance, irregular, erratic, haphazard) | |
| insignificant(adjective, irregular, empty, senseless, unwarranted) | |
| involuntary(unplanned, accidental, inadvertent) |
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| APA | Smart Define. (2016). random thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/random/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "random thesaurus" https://smartdefine.org/random/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, random thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/random/thesaurus/synonyms>. |
| MLA | Smart Define. "random thesaurus" 31 March 2016. Web. 22 September 2026. <https://smartdefine.org/random/thesaurus/synonyms> |