- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
120 entries under dull topic. ×
| lukewarm(adjective, cool, indifferent, restrained) | |
| slothful(adjective, quiet, easy, slow) | |
| unresponsive(adjective, calm, cool, slow) | |
| unenthusiastic(adjective, cool, weak, easy) | |
| lazy(adjective, weak, easy, slow) | |
| leaden(adjective, quiet, weak, easy) | |
| careless(adjective, indifferent, sluggish, indifference) | |
| heavy(adjective, quiet, weak, easy) | |
| lumpish(adjective, slow, heavy, sluggish) | |
| spiritless(adjective, cool, weak, easy) | |
| supine(adjective, quiet, weak, easy) | |
| blah(adjective, calm, weak, easy) | |
| comatose(adjective, weak, easy, slow) | |
| emotionless(adjective, calm, cool, tough) | |
| dense(adjective, slow, stupid, impassive) | |
| dopey(adjective, weak, easy, slow) | |
| dry(adjective, calm, cool, tough) | |
| enervated(adjective, weak, easy, slow) | |
| insensitive(adjective, indifferent, detached, unfeeling) | |
| laggard(adjective, quiet, easy, heavy) |
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| APA | Smart Define. (2015). phlegmatic thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/phlegmatic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "phlegmatic thesaurus" https://smartdefine.org/phlegmatic/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, phlegmatic thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/phlegmatic/thesaurus/synonyms>. |
| MLA | Smart Define. "phlegmatic thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/phlegmatic/thesaurus/synonyms> |