- Definitions|2
- Thesaurus|805
- Abbreviations|0
174 entries under adjective topic. ×
| mortified(strong, hard, tough, severe) | |
| mulish(strong, hard, tough, severe) | |
| noncooperative | |
| obstinate | |
| rancorous | |
| relentless(strong, hard, tough, severe) | |
| rigid(strong, hard, tough, severe) | |
| rigorous(strong, hard, tough, severe) | |
| steely(strong, hard, tough, severe) | |
| stiff-necked(strong, hard, tough, severe) | |
| tough(strong, hard, severe, harsh) | |
| uncooperative | |
| unfriendly | |
| ungenial | |
| unrelenting(strong, hard, tough, severe) | |
| unsociable | |
| unsparing(strong, hard, tough, severe) | |
| upset(evil, hostile, mysterious, surly) | |
| Delphian(evil, mysterious, threatening, nefarious) | |
| abstruse(evil, mysterious, threatening, nefarious) |
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| APA | Smart Define. (2015). frowning thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/frowning/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "frowning thesaurus" https://smartdefine.org/frowning/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, frowning thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/frowning/thesaurus/synonyms>. |
| MLA | Smart Define. "frowning thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/frowning/thesaurus/synonyms> |