Synonyms|524Antonyms|236|Broader|3Narrower|8Related|1.8k

92 entries under dull topic. ×

9
impassive(adjective, calm, cool, weak)
9
passive(adjective, quiet, careless, heavy)
9
shiftless(adjective, idle, sluggish, dubious)
9
unenthusiastic(adjective, weak, easy, flat)
8
careless(adjective, calm, cool, relaxed)
8
laggard(noun, adjective, quiet, easy)
8
leaden(adjective, action, quiet, weak)
8
lifeless(adjective, flat, low, sad)
8
limp(adjective, action, weak, easy)
8
slack(adjective, slow, sluggish, lazy)
8
supine(adjective, quiet, weak, easy)
8
unmoved(adjective, flat, low, sad)
7
enervated(adjective, weak, easy, flat)
7
inattentive(adjective, careless, indifferent, idle)
6
dilatory(adjective, quiet, easy, slow)
6
drowsy(adjective, quiet, easy, careless)
6
easy(adjective, calm, quiet, cool)
6
easygoing(adjective, calm, cool, careless)
6
languishing(adjective, weak, easy, flat)
6
remiss(adjective, careless, casual, thoughtless)
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HarvardSmart Define 2016, lackadaisical thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/lackadaisical/thesaurus/synonyms>.
MLASmart Define. "lackadaisical thesaurus" 2 March 2016. Web. 29 September 2026. <https://smartdefine.org/lackadaisical/thesaurus/synonyms>