- Definitions|2
- Thesaurus|5.1k
- Abbreviations|0
| dull(adjective, smart, active, fast, boring) | |
| very upset | |
| boring | |
| sad(adjective, dull, happy, joy, glad) | |
| dead in the water | |
| gray | |
| inactive(adjective, dull, moving, lethargic) | |
| blue(adjective, feeling, happiness) | |
| lethargic(adjective, dull, energetic, sluggish, lazy) | |
| listless(adjective, energy, energetic, spiritless) | |
| lifeless(adjective, dull, full, lethargic, spiritless) | |
| cowardly | |
| inert(adjective, moving, lifeless) | |
| lackluster(noun, adjective, dull, lifeless) | |
| limp | |
| monotonous(adjective, same) | |
| sleepy(adjective, dull, alert, lethargic) | |
| arid(adjective, uninterested, productive, spiritless) | |
| heavy(adjective, dull, lethargic) | |
| idle |
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| APA | Smart Define. (2015). lively thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/lively/thesaurus/antonyms |
| Chicago | Smart Define. 2015. "lively thesaurus" https://smartdefine.org/lively/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, lively thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/lively/thesaurus/antonyms>. |
| MLA | Smart Define. "lively thesaurus" 19 December 2015. Web. 22 September 2026. <https://smartdefine.org/lively/thesaurus/antonyms> |