- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
491 entries under adjective topic. ×
| earthbound(dull, excite) | |
| expressionless(dull, impassive, monotonous, neutral) | |
| groggy(calm, dull, flat, unemotional) | |
| hackneyed(dull, simple, plain, ordinary) | |
| hebetudinous(dull, slow, heavy, sluggish) | |
| inane(dull, weak, dead, stiff) | |
| insane | |
| insouciant(lethargic, languid, sleepy, indolent) | |
| latent(calm, quiet, gentle, indifferent) | |
| leisurely | |
| logy(slow, sluggish, slow-moving, snail-paced) | |
| lost | |
| lukewarm(warm, lethargic, languid, sleepy) | |
| mind-numbing(dull, dry, boring, tedious) | |
| non-living | |
| nothing(dull, simple, flat, plain) | |
| pacific(calm, quiet, smooth, tranquil) | |
| passionless(calm, dull, quiet, flat) | |
| plain(dull, simple, tough, soft) | |
| plodding(dull, boring, routine, tedious) |
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| APA | Smart Define. (2015). lifeless thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/lifeless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "lifeless thesaurus" https://smartdefine.org/lifeless/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, lifeless thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/lifeless/thesaurus/synonyms>. |
| MLA | Smart Define. "lifeless thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/lifeless/thesaurus/synonyms> |