63 entries under underground topic. ×
| obscure(adjective, cover, clear, rough, dark) | |
| mysterious(adjective, obscure, dark, uncertain, doubtful) | |
| clouded(adjective, clear, obscure, certain, uncertain) | |
| unintelligible(adjective, obscure, rough, dark, uncertain) | |
| abstruse(adjective, obscure, strange, uncertain, doubtful) | |
| veiled(adjective, obscure, unknown, clandestine) | |
| mystic(adjective, obscure, strange, uncertainty, vague) | |
| recondite(obscure, dark, uncertain, mysterious, unknown) | |
| arcane(adjective, obscure, deep, doubtful, vague) | |
| hidden(adjective, cover, obscure, dark, doubtful) | |
| reticent(adjective, obscure, deep, unknown, clandestine) | |
| secret(adjective, obscure, dark, uncertain, mysterious) | |
| shrouded(cover, obscure, dark, unknown, equivocal) | |
| strange(obscure, deep, unknown, clandestine) | |
| deep(obscure, unknown, clandestine, undisclosed) | |
| discreet(adjective, careful, vague, wary, equivocal) | |
| esoteric(obscure, unknown, clandestine, undisclosed) | |
| hush-hush(careful, vague, wary, equivocal, clandestine) | |
| mystical(obscure, unknown, clandestine, undisclosed) | |
| undisclosed(cover, obscure, dark, unknown, equivocal) |
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| APA | Smart Define. (2016). ambiguous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ambiguous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ambiguous thesaurus" https://smartdefine.org/ambiguous/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, ambiguous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ambiguous/thesaurus/synonyms>. |
| MLA | Smart Define. "ambiguous thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/ambiguous/thesaurus/synonyms> |