48 entries under casual topic. ×

5
unconcerned(adjective, careless, indifferent, coarse)
5
unguarded(adjective, happy-go-lucky, slapdash)
4
abstracted(adjective, careless, indifferent, thoughtless)
4
incautious(adjective, rash, happy-go-lucky, oblivious)
4
indifferent(adjective, careless, apathetic, sloppy)
4
sloppy(adjective, careless, indifferent, thoughtless)
4
unreflective(careless, stupid, unthinking, inattention)
3
cursory(adjective, careless, indifferent, unconcerned)
3
imprudent(adjective, careless, stupid, rash)
3
mindless(careless, indifferent, stupid, unconcerned)
3
napping(adjective, careless, indifferent, thoughtless)
3
unmeant(adjective, careless, innocent, thoughtless)
2
indiscreet(adjective, careless, thoughtless, inconsiderate)
2
lax(adjective, careless, indifferent, coarse)
2
loose(happy-go-lucky, slapdash)
2
offhand(adjective, careless, indifferent, unconcerned)
2
uncircumspect(happy-go-lucky, slapdash)
1
injudicious(careless, stupid, unthinking, obtuse)
1
nonchalant(adjective, careless, indifferent, unconcerned)
0
happy-go-lucky
11 years ago|11k views|share |citing 
APASmart Define. (2015). inadvertent thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/inadvertent/thesaurus/synonyms
ChicagoSmart Define. 2015. "inadvertent thesaurus" https://smartdefine.org/inadvertent/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, inadvertent thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/inadvertent/thesaurus/synonyms>.
MLASmart Define. "inadvertent thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/inadvertent/thesaurus/synonyms>