- Definitions|1
- Thesaurus|546
- Abbreviations|0
38 entries under sullen topic. ×
| dissociable | |
| dour | |
| fretful | |
| frowning | |
| gloomy | |
| glowering | |
| glum | |
| grim | |
| irascible | |
| long-faced | |
| malevolent | |
| melancholy | |
| moody | |
| moping | |
| petulant | |
| scowling | |
| ungenial | |
| unsociable |
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| APA | Smart Define. (2015). uncooperative thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/uncooperative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "uncooperative thesaurus" https://smartdefine.org/uncooperative/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, uncooperative thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/uncooperative/thesaurus/synonyms>. |
| MLA | Smart Define. "uncooperative thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/uncooperative/thesaurus/synonyms> |