- Definitions|2
- Thesaurus|805
- Abbreviations|0
174 entries under adjective topic. ×
| ferrous(strong, hard, tough, sturdy) | |
| firm(strong, hard, tough, severe) | |
| foul(evil, mysterious, threatening, nefarious) | |
| frowny | |
| gloaming | |
| grievous | |
| hard(strong, tough, severe, harsh) | |
| heavy(upset, strong, hard, tough) | |
| hellish(evil, mysterious, threatening, nefarious) | |
| hidden(evil, mysterious, threatening, nefarious) | |
| horrible(dull, evil, gloomy, miserable) | |
| humourless | |
| immoral(evil, mysterious, threatening, nefarious) | |
| immovable(strong, hard, tough, sturdy) | |
| indomitable(strong, hard, tough, sturdy) | |
| infamous(evil, mysterious, threatening, nefarious) | |
| infernal(evil, mysterious, threatening, nefarious) | |
| insensible(strong, hard, tough, sturdy) | |
| intricate(evil, mysterious, threatening, nefarious) | |
| knotty(evil, mysterious, threatening, nefarious) |
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| APA | Smart Define. (2015). frowning thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/frowning/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "frowning thesaurus" https://smartdefine.org/frowning/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, frowning thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/frowning/thesaurus/synonyms>. |
| MLA | Smart Define. "frowning thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/frowning/thesaurus/synonyms> |