- Definitions|3
- Thesaurus|8.6k
- Abbreviations|0
144 entries under plain topic. ×
| clean(adjective, simple, pure, ordinary) | |
| clear(verb, adjective, weak, mild) | |
| folksy(adjective, simple, ordinary, boring) | |
| frowzy(adjective, shabby, drab, dingy) | |
| generic(mean, simple, ordinary, mediocre) | |
| lenient(adjective, quiet, weak, kind, smooth) | |
| lowly(adjective, simple, pure, common) | |
| mean(adjective, simple, inferior, ordinary) | |
| milk-and-water(adjective, weak, mild, boring) | |
| nerdy(adjective, weak, mild, boring) | |
| old hat(expression, adjective, set, flat) | |
| outdated(adjective, shabby, drab, dingy) | |
| pabulum(adjective, weak, simple, flat) | |
| passé(hard, tired, old, sour) | |
| plebeian(adjective, simple, flat, stupid) | |
| practical(adjective, simple, tough, ordinary) | |
| run-down(beat, dirty, shabby, exhausted) | |
| second-rate(adjective, simple, inferior, ordinary) | |
| smooth(adjective, calm, weak, kind, soft) | |
| soothing(noun, adjective, quiet, weak, soft) |
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| APA | Smart Define. (2016). dull thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/dull/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "dull thesaurus" https://smartdefine.org/dull/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, dull thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/dull/thesaurus/synonyms>. |
| MLA | Smart Define. "dull thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/dull/thesaurus/synonyms> |