96 entries under dreadful topic. ×
| objectionable(adjective, unpleasant, horrible, disagreeable) | |
| overwhelming(awful, terrible) | |
| pesky(adjective, unpleasant, horrible, disagreeable) | |
| pugnacious(adjective, rough, nasty, dark, unpleasant) | |
| quarrelsome(adjective, rough, nasty, dark, unpleasant) | |
| redoubtable(awful, terrible) | |
| serious(adjective, unpleasant, horrible, disagreeable) | |
| servile(adjective, unpleasant, horrible, disagreeable) | |
| shuddersome(nasty, awful, terrible, disturbing) | |
| sickening(adjective, unpleasant, horrible, disagreeable) | |
| sordid(adjective, unpleasant, horrible, disagreeable) | |
| sublime(awful, terrible) | |
| tremendous(awful, terrible) | |
| truculent(adjective, appearance, unpleasant, terrible, horrible) | |
| unspeakable(awful, terrible) | |
| vexatious(adjective, unpleasant, horrible, disagreeable) |
For more, visit
Sinister on
Power Thesaurus
| APA | Smart Define. (2016). sinister thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sinister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sinister thesaurus" https://smartdefine.org/sinister/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sinister thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sinister/thesaurus/synonyms>. |
| MLA | Smart Define. "sinister thesaurus" 3 April 2016. Web. 27 September 2026. <https://smartdefine.org/sinister/thesaurus/synonyms> |