- Definitions|0
- Thesaurus|116
- Abbreviations|0
38 entries under sullen topic. ×
| contrary(adjective, unwilling) | |
| obstinate(adjective, unwilling) | |
| uncooperative(adjective, unwilling) | |
| cross | |
| hostile | |
| unfriendly | |
| broody | |
| beetle-browed | |
| cantankerous | |
| crabby | |
| cynical | |
| dejected | |
| dissociable | |
| dour | |
| fretful | |
| frowning | |
| gloomy | |
| glowering | |
| glum | |
| grim |
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| APA | Smart Define. (2015). noncooperative thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/noncooperative/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "noncooperative thesaurus" https://smartdefine.org/noncooperative/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, noncooperative thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/noncooperative/thesaurus/synonyms>. |
| MLA | Smart Define. "noncooperative thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/noncooperative/thesaurus/synonyms> |