80 entries under heedless topic. ×

1
moony(adjective, indifferent, silly, foolish, apathetic)
1
not careful(expression, adjective, idiom, bold, thoughtless)
1
off guard(expression, adjective, bold, thoughtless, impulsive)
1
pay no mind(expression, adjective, idiom, bold, thoughtless)
1
pipe dreaming(expression, adjective, remote, vague, sloppy)
1
removed(adjective, indifferent, apathetic, remote, vague)
1
space cadet(expression, remote, distracted, scatterbrained)
1
spacey(remote, ignorant, distracted, unconscious)
1
surroundings(remote, distracted, scatterbrained, forgetful)
1
unalert(adjective, weak, bold, thoughtless, impulsive)
1
unaware of events(expression, idiom, remote, distracted)
1
uncircumspect(adjective, casual, thoughtless, happy-go-lucky)
1
wary(adjective, bold, thoughtless, impulsive, inappropriate)
1
wide open(expression, adjective, bold, thoughtless, impulsive)
1
woolgathering(adjective, remote, vague, sloppy, distracted)
0
out to lunch(expression, adjective, idiom, unconcerned, remote)
0
playing with fire(expression, adjective, idiom, wild, foolish)
0
discounting
0
disrespectful
0
fast and loose(expression, idiom, wild, thoughtless, rash)
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APASmart Define. (2016). careless thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/careless/thesaurus/synonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/careless/thesaurus/synonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 26 September 2026. <https://smartdefine.org/careless/thesaurus/synonyms>