64 entries under heedless topic. ×

5
incognizant(adjective, unconcerned, ignorant, unconscious)
5
uninformed(adjective, unconcerned, ignorant, naive, unconscious)
5
unknowing(adjective, unconcerned, ignorant, naive, unconscious)
4
mooning(adjective, careless, silly, foolish, unconcerned)
4
removed(adjective, careless, attention, distant, remote)
4
withdrawn(adjective, careless, remote, vague, distracted)
3
daydreaming(adjective, dull, careless, indifferent, silly)
3
lost(adjective, happy, informal, careless, attention)
3
moony(adjective, careless, indifferent, silly, foolish)
3
out of it(expression, adjective, idiom, dull, careless)
3
woolgathering(adjective, careless, remote, vague, sloppy)
2
bemused(adjective, ability, careless, remote, vague)
2
dreaming(adjective, careless, remote, distracted, absorbed)
2
engrossed(careless, anxious, worried, remote, distracted)
2
out to lunch(expression, adjective, idiom, careless, attention)
2
remote(adjective, careless, vague, distracted)
2
scatterbrained(adjective, careless, attention, remote, vague)
2
spacey(adjective, careless, unconcerned, remote, vague)
2
unwitting(adjective, careless, unconcerned, sloppy, ignorant)
1
airheaded(adjective, careless, remote, vague, sloppy)
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APASmart Define. (2015). inattentive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/inattentive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inattentive thesaurus" https://smartdefine.org/inattentive/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, inattentive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/inattentive/thesaurus/synonyms>.
MLASmart Define. "inattentive thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/inattentive/thesaurus/synonyms>