| dyspeptic | |
| edged(adjective, strong, sharp, intense, powerful) | |
| element | |
| embittered | |
| fire extinguisher(expression, idiom, insulation, fire extinction) | |
| foam(insulation, fire extinction) | |
| ganja | |
| grass | |
| grumpy(adjective, bad-tempered, tetchy) | |
| hallucinogenic drug(expression, idiom) | |
| hash | |
| hashish | |
| hemp | |
| hostile(mean, sharp, nasty, unfriendly, bitter) | |
| huffy(adjective, irritable, grumpy, bad-tempered, tetchy) | |
| hydrocyanic acid(expression, idiom, bane) | |
| ill-humored(tough, harsh, awkward, grumpy, bad-tempered) | |
| impressive | |
| irritating | |
| lunar caustic(expression, idiom, calefaction) |
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| APA | Smart Define. (2015). acid thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/acid/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "acid thesaurus" https://smartdefine.org/acid/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, acid thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/acid/thesaurus/synonyms>. |
| MLA | Smart Define. "acid thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/acid/thesaurus/synonyms> |