105 entries under heavy topic. ×
| laggard(adjective, dull, quiet, easy, careless) | |
| laid-back(adjective, dull, quiet, cool, weak) | |
| boring(adjective, dull, quiet, flat, slow) | |
| depressed(adjective, dull, quiet, flat, slow) | |
| dragging(adjective, dull, slow, sluggish) | |
| draggy(adjective, action, dull, quiet, flat) | |
| hebetudinous(adjective, dull, slow, apathetic) | |
| insensitive(adjective, dull, quiet, flat) | |
| lymphatic(adjective, weak, still, sluggish) | |
| obtuse(adjective, dull, stupid, impassive) | |
| off(adjective, dull, moderate, low, slow) | |
| out(adjective, dull, quiet, slow) | |
| out of it(expression, adjective, idiom, dull, quiet) | |
| sleepyhead(adjective, dull, quiet, weak, easy) | |
| slow-moving(adjective, dull, quiet, easy, slow) | |
| slumberous(adjective, dull, quiet, slow) | |
| snoozy(adjective, dull, quiet, weak, easy) | |
| soporific(quiet, tired, lethargic, sleepy) | |
| stupid(adjective, dull, apathetic, sluggish) | |
| unenthusiastic(adjective, dull, weak, easy, slow) |
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| APA | Smart Define. (2015). inactive thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/inactive/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "inactive thesaurus" https://smartdefine.org/inactive/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, inactive thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/inactive/thesaurus/synonyms>. |
| MLA | Smart Define. "inactive thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/inactive/thesaurus/synonyms> |