45 entries under slapdash topic. ×

5
abstracted(casual, inattention, happy-go-lucky)
5
oblivious(adjective, careless, casual, thoughtless, inattentive)
5
unmindful(adjective, careless, casual, thoughtless, inattentive)
4
absent-minded(adjective, casual, inattentive, happy-go-lucky)
4
thoughtless(adjective, careless, casual, inattentive, inconsiderate)
3
careless(adjective, casual, thoughtless, inconsiderate, happy-go-lucky)
3
heedless(adjective, careless, casual, thoughtless, inattentive)
3
unguarded(casual, negligent, happy-go-lucky, unprepared)
3
unthinking(adjective, careless, casual, thoughtless, inconsiderate)
2
disregardful(adjective, casual, inattentive, happy-go-lucky)
2
inadvertent(adjective, careless, indifferent, casual, thoughtless)
2
incautious(casual, happy-go-lucky)
2
mindless(casual, happy-go-lucky)
2
unconcerned(adjective, casual, inattentive, happy-go-lucky)
1
happy-go-lucky(casual, nonpreparation)
1
improvident(casual, happy-go-lucky, nonpreparation)
1
indolent(casual, tired, lethargic, sleepy, happy-go-lucky)
1
lackadaisical(casual, tired, lethargic, sleepy, happy-go-lucky)
1
offhand(casual, unqualified, happy-go-lucky, unsuspecting)
1
pococurante(casual, happy-go-lucky)
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APASmart Define. (2015). napping thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/napping/thesaurus/synonyms
ChicagoSmart Define. 2015. "napping thesaurus" https://smartdefine.org/napping/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, napping thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/napping/thesaurus/synonyms>.
MLASmart Define. "napping thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/napping/thesaurus/synonyms>