80 entries under heedless topic. ×

2
mooning(adjective, silly, foolish, remote, vague)
2
remote(adjective, distracted, scatterbrained, forgetful)
2
scatterbrained(adjective, indifferent, foolish, apathetic, thoughtless)
2
unprepared(thoughtless, incompetent, wasteful, unproductive)
2
unvigilant(adjective, weak, bold, thoughtless, impulsive)
2
withdrawn(remote, distracted, scatterbrained, forgetful)
1
absorbed(remote, distracted, scatterbrained, forgetful)
1
airheaded(adjective, remote, vague, sloppy, distracted)
1
any old way(expression, adjective, idiom, casual, bold)
1
bemused(adjective, remote, vague, sloppy, distracted)
1
caught napping(expression, adjective, bold, thoughtless, impulsive)
1
disregarding(adjective, indifferent, unconcerned, insensibility)
1
engrossed(remote, distracted, scatterbrained, forgetful)
1
faraway(adjective, indifferent, apathetic, remote, vague)
1
fast-and-loose(adjective, bold, thoughtless, impulsive, inappropriate)
1
foot-in-mouth(adjective, bold, thoughtless, impulsive, inappropriate)
1
goofing off(expression, remote, rash, distracted)
1
head in the clouds(expression, idiom, remote, distracted)
1
inconscient(remote, distracted, scatterbrained, forgetful)
1
lost(adjective, indifferent, apathetic, remote, vague)
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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>