87 entries under idle topic. ×
| unenergetic(dull, sluggish, inactive, lethargic) | |
| unindustrious(dull, sluggish, inactive, lethargic) | |
| unoccupied(adjective, dull, sluggish, lazy) | |
| unpersevering(dull, sluggish, inactive, lethargic) | |
| unready(dull, sluggish, inactive, lethargic) | |
| unused(adjective, dull, sluggish, lazy) | |
| wimpy(adjective, dull, slow, relaxed, stupid) |
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| APA | Smart Define. (2016). sleepy thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sleepy/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sleepy thesaurus" https://smartdefine.org/sleepy/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, sleepy thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sleepy/thesaurus/synonyms>. |
| MLA | Smart Define. "sleepy thesaurus" 18 February 2016. Web. 29 September 2026. <https://smartdefine.org/sleepy/thesaurus/synonyms> |