86 entries under idiom topic. ×
| Lucy in the sky with diamonds(noun, expression, drug, dot) | |
| loony toons(noun, expression) | |
| back breaker(noun, expression) | |
| window pane(noun, expression) | |
| aqua fortis(expression, calefaction) | |
| aqua regia(expression, calefaction) | |
| carbon tetrachloride(expression, insulation, fire extinction) | |
| carbonic acid(expression, bane) | |
| fire extinguisher(expression, insulation, fire extinction) | |
| hallucinogenic drug | |
| hydrocyanic acid(expression, bane) | |
| lunar caustic(expression, calefaction) | |
| purple haze(noun, expression, drug, dot) | |
| wet blanket(expression, insulation, fire extinction) | |
| bitterness of spirit | |
| calling a spade a spade(expression, sharp, critical, penetrating) | |
| electric Kool Aid(noun, expression, dot, candy) | |
| gnashing of teeth | |
| in a nutshell(expression, sharp, critical, penetrating) | |
| laid on the line(expression, sharp, critical, penetrating) |
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| APA | Smart Define. (2015). acid thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/acid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "acid thesaurus" https://smartdefine.org/acid/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, acid thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/acid/thesaurus/synonyms>. |
| MLA | Smart Define. "acid thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/acid/thesaurus/synonyms> |