710 entries under adjective topic. ×
| off-key(hard, right, severe, sharp) | |
| unripe(state, bitter, acid, tart) | |
| vinegary(sharp, difficult, harsh, bitter) | |
| astringent(hard, severe, sharp, rough) | |
| crotchety(tough, difficult, harsh, feelings) | |
| down(hard, evil, rough, nasty) | |
| glowering | |
| ill-natured(difficult, disagreeable, mood, angry) | |
| irascible(difficult, irritable, touchy, sullen) | |
| querulous(hard, difficult, critical, crabby) | |
| touchy(irritable, behaviour, sullen, sulky) | |
| vitriolic(mean, severe, nasty, hostile) | |
| acetous(taste, sharp, harsh, bitter) | |
| dismal(sadness, gloom, unclear, morose) | |
| ill-humored(tough, difficult, harsh, feelings) | |
| mean(bad, severe, nasty, cross) | |
| melancholy(low, feelings, gloomy, miserable) | |
| miserable(low, feelings, discontent, glum) | |
| rank(hard, nasty, unpleasant, corrupt) | |
| rough(bad, hard, severe, sharp) |
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| APA | Smart Define. (2016). sour thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sour/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sour thesaurus" https://smartdefine.org/sour/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sour thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sour/thesaurus/synonyms>. |
| MLA | Smart Define. "sour thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/sour/thesaurus/synonyms> |