| incomprehensible(complete, absolute, unrestrained, immense, infinite) | |
| indefinable | |
| inexhaustible(adjective, vague, unknown, ambiguous, endless) | |
| inorganic(disorder, confusion, mess, muddle, jumble) | |
| insane(adjective, chaotic) | |
| jumbled(adjective, chaotic) | |
| lawless(adjective, chaotic) | |
| mercurial | |
| messy(adjective, chaotic) | |
| murky(adjective, dull, obscure, gloomy, uncertain) | |
| nondescript | |
| permanent(lasting, everlasting, unending, undying, immutable) | |
| perturbed(adjective, chaotic) | |
| rambunctious(adjective, chaotic) | |
| receptive | |
| responsive | |
| shilly-shallying | |
| sloppy(adjective, soft, careless, indifferent, common) | |
| susceptible | |
| tempestuous(adjective, chaotic) |
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| APA | Smart Define. (2015). indefinite thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/indefinite/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefinite thesaurus" https://smartdefine.org/indefinite/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, indefinite thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/indefinite/thesaurus/synonyms>. |
| MLA | Smart Define. "indefinite thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/indefinite/thesaurus/synonyms> |