- Definitions|3
- Thesaurus|8.6k
- Abbreviations|0
161 entries under simple topic. ×
| boring(adjective, dreary, colorless, tedious, drab) | |
| tedious(adjective, boring, uninteresting, dreary, monotonous) | |
| flat(adjective, calm, quiet, set, hard) | |
| dim(verb, adjective, action, characteristic, quiet) | |
| slow(verb, adjective, stop, upset, trouble) | |
| obtuse(noun, adjective, sharp, slow) | |
| prosaic(adjective, set, weak, tough) | |
| monotonous(adjective, boring, uninteresting, uneventful, tedious) | |
| stupid(adjective, flat, rough, slow) | |
| drab(adjective, characteristic, hard, weak) | |
| dead(adjective, hard, weak, flat) | |
| humdrum(adjective, weak, excite, slow) | |
| lifeless(adjective, calm, weak, tough) | |
| dry(adjective, calm, hard, tough) | |
| dumb(verb, adjective, calm, quiet) | |
| dense(adjective, slow, dark, gloomy) | |
| stolid(noun, adjective, calm, tough) | |
| thick(adjective, obscure, warm, slow) | |
| vapid(adjective, boring, uninteresting, flat, tedious) | |
| doltish(adjective, slow, careless, foolish) |
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| APA | Smart Define. (2016). dull thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/dull/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, dull thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>. |
| MLA | Smart Define. "dull thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms> |