120 entries under vague topic. ×
| intangible(adjective, intellectual, unknown, abstract) | |
| puzzling(obscure, uncertain, unclear, ambiguous) | |
| wavering(adjective, open, uncertain, doubtful) | |
| cloudy(adjective, dull, clear, obscure, rough) | |
| cryptic(obscure, uncertain, doubtful, dubious) | |
| inconstant(adjective, careless, loose, doubtful) | |
| enigmatic(obscure, uncertain, doubtful, dubious) | |
| inaccurate(adjective, soft, rough, careless, loose) | |
| muddled(adjective, uncertain, doubtful, faint) | |
| open(adjective, certain, shaky, ambiguous) | |
| unknown(adjective, rough, strange, mysterious) | |
| confusing(uncertain, unclear, ambiguous, misleading) | |
| dark(adjective, dull, weak, rough, strange) | |
| debatable(adjective, uncertain, doubtful, dubious) | |
| hesitant(adjective, open, uncertain, doubtful) | |
| incalculable(adjective, complete, doubtful, hesitant) | |
| inconclusive(adjective, obscure, uncertain, doubtful) | |
| innumerable(adjective, unknown, ambiguous, unfixed) | |
| irregular(adjective, doubtful, hesitant, unsure) | |
| opaque(dull, obscure, gloomy, uncertain, dim) |
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| APA | Smart Define. (2015). indefinite thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/indefinite/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "indefinite thesaurus" https://smartdefine.org/indefinite/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, indefinite thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/indefinite/thesaurus/synonyms>. |
| MLA | Smart Define. "indefinite thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/indefinite/thesaurus/synonyms> |