48 entries under casual topic. ×

30
unmindful(adjective, careless, cold, attention)
26
negligent(adjective, careless, cold, indifferent)
24
heedless(adjective, careless, cold, forget)
21
careless(adjective, cold, foolish, stupid)
19
thoughtless(adjective, careless, cold, foolish, stupid)
18
inconsiderate(adjective, careless, cold, forget)
17
unthinking(adjective, careless, indifferent, foolish, stupid)
15
absent-minded(adjective, careless, cold, foolish, stupid)
15
remiss(adjective, careless, cold, foolish, stupid)
13
unheeding(adjective, careless, cold, forget)
12
forgetful(adjective, careless, cold, forget)
12
regardless(adjective, adverb, careless, cold, indifferent)
10
unintended(adjective, careless, innocent, thoughtless)
9
reckless(adjective, indifferent, unconcerned, rash)
9
unpremeditated(adjective, careless, thoughtless, unwise)
8
oblivious(adjective, careless, indifferent, apathetic)
8
unobservant(adjective, careless, cold, foolish, stupid)
7
disregardful(adjective, careless, indifferent, thoughtless)
5
slapdash(adjective, careless, indifferent, thoughtless)
5
slipshod(adjective, careless, indifferent, sloppy)
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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>