- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
304 entries under dull topic. ×
| dead(adjective, calm, quiet, weak) | |
| inert(adjective, calm, quiet, smooth) | |
| spiritless(adjective, weak, excite, sad) | |
| flat(adjective, calm, quiet, weak) | |
| inactive(adjective, calm, quiet, gentle) | |
| listless(adjective, calm, quiet, weak) | |
| inanimate(adjective, calm, still, dead) | |
| sluggish(adjective, calm, quiet, gentle) | |
| torpid(adjective, calm, quiet, flat) | |
| boring(adjective, quiet, weak, simple) | |
| insipid(adjective, weak, stupid, dry) | |
| passive(adjective, calm, quiet, gentle) | |
| lethargic(adjective, calm, flat, slow) | |
| tedious(adjective, weak, simple, plain) | |
| uninteresting(adjective, weak, stupid, dry) | |
| dry(adjective, calm, simple, tough) | |
| prosaic(adjective, weak, simple, tough) | |
| vapid(adjective, weak, simple, flat) | |
| languid(adjective, quiet, weak, flat) | |
| tiresome(adjective, stupid, dry, boring) |
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| APA | Smart Define. (2015). lifeless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/lifeless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lifeless thesaurus" https://smartdefine.org/lifeless/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, lifeless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/lifeless/thesaurus/synonyms>. |
| MLA | Smart Define. "lifeless thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/lifeless/thesaurus/synonyms> |