42 entries under slapdash topic. ×

4
incautious(adjective, casual, rash, happy-go-lucky, oblivious)
4
indifferent(adjective, careless, casual, apathetic, sloppy)
4
sloppy(adjective, careless, indifferent, casual, thoughtless)
4
unreflective(careless, stupid, casual, unthinking, inattention)
3
cursory(adjective, careless, indifferent, casual, unconcerned)
3
napping(adjective, careless, indifferent, casual, thoughtless)
2
indiscreet(adjective, careless, casual, thoughtless, inconsiderate)
2
lax(adjective, careless, indifferent, coarse, casual)
2
loose(casual, happy-go-lucky)
2
offhand(adjective, careless, indifferent, casual, unconcerned)
2
uncircumspect(casual, happy-go-lucky)
1
injudicious(careless, stupid, casual, unthinking, obtuse)
1
nonchalant(adjective, careless, indifferent, casual, unconcerned)
0
happy-go-lucky
0
hasty(casual, happy-go-lucky)
0
improvident(casual, happy-go-lucky)
0
inaccurate(casual, happy-go-lucky)
0
indolent(casual, happy-go-lucky)
0
irresponsible(casual, happy-go-lucky)
0
lackadaisical(casual, happy-go-lucky)
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APASmart Define. (2015). inadvertent thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/inadvertent/thesaurus/synonyms
ChicagoSmart Define. 2015. "inadvertent thesaurus" https://smartdefine.org/inadvertent/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, inadvertent thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/inadvertent/thesaurus/synonyms>.
MLASmart Define. "inadvertent thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/inadvertent/thesaurus/synonyms>