- Definitions|2
- Thesaurus|2k
- Abbreviations|0
178 entries under dull topic. ×
| frigid(adjective, calm, flat, unemotional) | |
| halfhearted(adjective, careless, relaxed, indifferent) | |
| ignorant(adjective, slow, stupid) | |
| imbecilic(slow, stupid) | |
| lackluster(adjective, weary, stiff, tired) | |
| laid back(expression, adjective, lazy, slack) | |
| numskulled(slow, stupid) | |
| oafish(slow, stupid) | |
| passionless(adjective, calm, flat, unemotional) | |
| romantic(adjective, careless, relaxed, indifferent) | |
| sentimental(adjective, careless, relaxed, indifferent) | |
| simple(slow, silly, stupid) | |
| slow-witted(slow, stupid) | |
| spring fever(expression, adjective, careless, indifferent) | |
| uncompassionate(adjective, calm, flat, unemotional) | |
| undemonstrative(adjective, calm, flat, unemotional) | |
| unexcitable(adjective, calm, flat, unemotional) | |
| unexciting(adjective, uninteresting) |
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| APA | Smart Define. (2016). lethargic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/lethargic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "lethargic thesaurus" https://smartdefine.org/lethargic/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2016, lethargic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lethargic/thesaurus/synonyms>. |
| MLA | Smart Define. "lethargic thesaurus" 4 January 2016. Web. 29 September 2026. <https://smartdefine.org/lethargic/thesaurus/synonyms> |