1
dotty
1
easy-going
1
engaged(adjective, anxious, distant, distracted, absorbed)
1
engrossed(careless, anxious, worried, remote, distracted)
1
erratic(adjective, ignore, forget, vague, absent)
1
failing(adjective, careless, confused, negligent, slipshod)
1
faraway(adjective, careless, remote, vague, distracted)
1
fascinated(adjective, anxious, distant, distracted, absorbed)
1
featherbrain
1
feckless(adjective, indifferent, unsympathetic, inattentive, uninterested)
1
flaccid(soft, tolerant, slack, lenient, remiss)
1
flippant
1
forget(verb, oblivion)
1
forgotten
1
general(soft, tolerant, slack, lenient, remiss)
1
gone(unconcerned, unfamiliar, uninformed)
1
goofing off(expression, careless, remote, distracted, heedless)
1
hard-hearted(adjective, indifferent, unsympathetic, inattentive, uninterested)
1
hare-brained(adjective, ignore, forget, vague, absent)
1
have on the brain(expression, adjective, idiom, distracted, absorbed)
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APASmart Define. (2016). forgetful thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/forgetful/thesaurus/synonyms
ChicagoSmart Define. 2016. "forgetful thesaurus" https://smartdefine.org/forgetful/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, forgetful thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/forgetful/thesaurus/synonyms>.
MLASmart Define. "forgetful thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/forgetful/thesaurus/synonyms>