- Definitions|1
- Thesaurus|406
- Abbreviations|0
64 entries under endured topic. ×
| dreadful(adjective, nasty, awful, terrible, disturbing) | |
| horrible(adjective, frightening) | |
| terrible(adjective, frightening, nightmare, traumatic) | |
| ghastly(adjective, terrible, unreasonable, absurd, heavenly) | |
| awful(adjective, frightening) | |
| grisly(adjective, frightening) | |
| frightful | |
| macabre(adjective, frightening) | |
| appalling(adjective, extraordinary, unreasonable, inappropriate, absurd) | |
| gruesome | |
| hideous | |
| horrendous(adjective, terrible, frightening, nightmare) | |
| horrid(adjective, frightening) | |
| agonizing | |
| horrifying(adjective, frightening) | |
| monstrous | |
| dire(adjective, frightening) | |
| disgusting | |
| heinous | |
| lurid |
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| APA | Smart Define. (2013). nightmarish thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/nightmarish/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "nightmarish thesaurus" https://smartdefine.org/nightmarish/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2013, nightmarish thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/nightmarish/thesaurus/synonyms>. |
| MLA | Smart Define. "nightmarish thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/nightmarish/thesaurus/synonyms> |