255 entries under careless topic. ×

4
headlong(adjective, violent, fast, quick)
4
lazy(adjective, slow, indifferent, thoughtless)
4
mooning(adjective, silly, foolish, remote)
4
napping(adjective, casual, thoughtless, inattentive)
4
nearsighted(adjective, dull, indifferent, thoughtless)
4
senseless(adjective, silly, foolish, thoughtless)
4
silly(adjective, foolish, crazy, senseless)
4
slapdash(adjective, indifferent, casual, quick)
4
temerarious(adjective, wild, foolish, thoughtless)
4
unreasoning(adjective, dull, indifferent, thoughtless)
3
daydreaming(adjective, silly, foolish, remote)
3
derelict(adjective, indifferent, coarse, unconcerned)
3
giddy(adjective, wild, silly, stupid)
3
harum-scarum(adjective, feature, state, violent)
3
ill-judged(adjective, foolish, bold, thoughtless)
3
impolitic(adjective, rude, foolish, thoughtless)
3
irrational(adjective, wild, bold, thoughtless)
3
loose(adjective, indifferent, dirty, casual)
3
lost(adjective, indifferent, apathetic, remote)
3
rude(adjective, sharp, indifferent, coarse)
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APASmart Define. (2016). heedless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/heedless/thesaurus/synonyms
ChicagoSmart Define. 2016. "heedless thesaurus" https://smartdefine.org/heedless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, heedless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/heedless/thesaurus/synonyms>.
MLASmart Define. "heedless thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/heedless/thesaurus/synonyms>