| incriminate(verb, hold) | |
| indecipherable | |
| indefinite(adjective, doubtful, ambiguous, filled) | |
| indistinguishable | |
| inscrutable(adjective, blank, hidden) | |
| intricate | |
| jammed(verb, adjective) | |
| leaden | |
| milky | |
| nebulous | |
| obstruct(verb, help, advance, allow, prevent) | |
| pale | |
| pile up(verb, expression, phrasal verb, fail, lose) | |
| puzzling | |
| questionable(adjective, doubtful, ambiguous, indisputable, filled) | |
| rough | |
| sentence(verb, fail, lose) | |
| smoggy | |
| smudged(adjective, doubtful, ambiguous, filled, unhampered) | |
| solid |
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| APA | Smart Define. (2016). clear thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/clear/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "clear thesaurus" https://smartdefine.org/clear/thesaurus/antonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, clear thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/clear/thesaurus/antonyms>. |
| MLA | Smart Define. "clear thesaurus" 31 March 2016. Web. 20 September 2026. <https://smartdefine.org/clear/thesaurus/antonyms> |