220 entries under adjective topic. ×

9
indolent(dull, careless, casual, thoughtless)
9
lazy(slow, careless, deliberate, idle)
9
slipshod(soft, careless, indifferent, casual)
9
inconsiderate(careless, cold, casual, forget)
9
sluggish(dull, slow, idle, late)
8
reckless(indifferent, casual, unconcerned, obtuse)
8
absent-minded(noun, careless, cold, foolish)
8
disregardful(soft, careless, indifferent, casual)
8
indifferent(noun, dull, soft, careless)
8
unheedful(careless, cold, forget, uncaring)
8
unheeding(careless, cold, casual, forget)
7
languid(dull, slow, idle, sluggish)
7
loose(indifferent, casual, vague, sloppy)
7
slapdash(careless, indifferent, casual, thoughtless)
7
unwary(cold, forget, uncaring, inattentive)
6
lackadaisical(dull, careless, casual, thoughtless)
6
laggard(dull, quiet, easy, slow)
6
tardy(dull, slow, careless, thoughtless)
6
unobservant(noun, careless, cold, foolish)
6
unthinking(careless, indifferent, foolish, stupid)
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APASmart Define. (2015). remiss thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/remiss/thesaurus/synonyms
ChicagoSmart Define. 2015. "remiss thesaurus" https://smartdefine.org/remiss/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, remiss thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/remiss/thesaurus/synonyms>.
MLASmart Define. "remiss thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/remiss/thesaurus/synonyms>