76 entries under careless topic. ×

5
heedless(adjective, indifferent, casual, quick)
5
inadvertent(adjective, indifferent, casual, thoughtless)
5
inconsiderate(adjective, casual, quick, thoughtless)
5
lax(adjective, slow, indifferent, casual)
4
derelict(adjective, slow, indifferent, thoughtless)
4
improvident(adjective, careful, casual, rash)
4
loose(casual, sloppy, disordered, inexact)
4
unheedful(adjective, indifferent, unconcerned, sloppy)
3
disorganized(adjective, casual, disordered, untidy)
3
disregardful(adjective, slow, indifferent, casual)
3
hit-or-miss(casual, crude, substitute, haphazard)
3
lackadaisical(adjective, slow, indifferent, casual)
3
nonchalant(adjective, indifferent, casual, unconcerned)
3
random(adjective, chance, casual, quick)
3
slack(adjective, indifferent, loose, dirty)
3
unconsidered(adjective, careful, chance, casual)
2
any old way(expression, idiom, slow, casual)
2
any which way(expression, idiom, casual, intermittently)
2
designless(chance, casual, haphazard, arbitrary)
2
desultory(slight, detail, casual, trivial)
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APASmart Define. (2016). slapdash thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/slapdash/thesaurus/synonyms
ChicagoSmart Define. 2016. "slapdash thesaurus" https://smartdefine.org/slapdash/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, slapdash thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/slapdash/thesaurus/synonyms>.
MLASmart Define. "slapdash thesaurus" 1 March 2016. Web. 26 September 2026. <https://smartdefine.org/slapdash/thesaurus/synonyms>