80 entries under unclear topic. ×
| cryptic(obscure, uncertain, doubtful, vague, dubious) | |
| enigmatic(obscure, uncertain, doubtful, vague, dubious) | |
| unknown(adjective, rough, strange, vague, mysterious) | |
| unstable(adjective, loose, uncertain, doubtful, unsettled) | |
| confusing(uncertain, vague, ambiguous, misleading) | |
| dark(adjective, dull, weak, rough, strange) | |
| generalized(adjective, indistinct, indistinguishable) | |
| hesitant(adjective, open, uncertain, doubtful, vague) | |
| inconclusive(adjective, obscure, uncertain, doubtful, vague) | |
| perplexing(indistinct, indistinguishable) | |
| problematic(adjective, uncertain, doubtful, vague, dubious) | |
| woolly(adjective, rough, uncertain, vague) | |
| bewildering(indistinct, indistinguishable) | |
| murky(adjective, dull, obscure, gloomy, uncertain) | |
| abstruse(adjective, uncertain, doubtful, vague, intellectual) | |
| impalpable(adjective, insubstantial, indistinct, indistinguishable) | |
| insecure(adjective, open, uncertain, doubtful, unsettled) | |
| muddy(adjective, obscure, gloomy, uncertain, vague) | |
| muffled(adjective, hazy, blurry) | |
| tentative(adjective, open, uncertain, careful, doubtful) |
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| APA | Smart Define. (2015). indefinite thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/indefinite/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefinite thesaurus" https://smartdefine.org/indefinite/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, indefinite thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/indefinite/thesaurus/synonyms>. |
| MLA | Smart Define. "indefinite thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/indefinite/thesaurus/synonyms> |