43 entries under happy-go-lucky topic. ×

3
nonchalant(adjective, careless, indifferent, casual, unconcerned)
2
imprudent(casual, rash, oblivious, neglectful)
2
inaccurate(loose, casual, sloppy, inexact)
2
irresponsible(adjective, careless, casual)
1
absent-minded
1
indifferent(adjective, slow, careless, relaxed, casual)
1
indolent(slow, careless, indifferent, casual, thoughtless)
1
regardless(adjective, slow, careless, indifferent, casual)
1
unconcerned(adjective, careless, indifferent, casual, apathetic)
1
unobservant(casual, rash, oblivious, neglectful)
1
unthinking(adjective, careless, indifferent, casual, sloppy)
0
abstracted
0
indiscreet
0
injudicious
0
mindless
0
napping
0
oblivious(casual, rash, neglectful)
0
pococurante
0
uncircumspect
0
unguarded
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APASmart Define. (2016). slapdash thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/slapdash/thesaurus/synonyms
ChicagoSmart Define. 2016. "slapdash thesaurus" https://smartdefine.org/slapdash/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, slapdash thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/slapdash/thesaurus/synonyms>.
MLASmart Define. "slapdash thesaurus" 1 March 2016. Web. 1 October 2026. <https://smartdefine.org/slapdash/thesaurus/synonyms>