78 entries under thoughtless topic. ×

37
heedless(noun, adjective, sharp, rude, careless)
35
neglectful(noun, adjective, dull, sharp, rude)
33
careless(noun, adjective, dull, cold, indifferent)
32
negligent(noun, adjective, sharp, rude, careless)
30
unmindful(noun, adjective, sharp, rude, careless)
24
inadvertent(adjective, careless, cold, attention, forget)
24
remiss(noun, adjective, dull, careless, cold)
22
indifferent(noun, adjective, dull, sharp, neglect)
21
unobservant(noun, adjective, careless, cold, indifferent)
19
unheeding(verb, adjective, sharp, rude, careless)
17
regardless(adjective, adverb, careless, cold, indifferent)
13
abstracted(noun, adjective, dull, ability, careless)
13
inconsiderate(adjective, sharp, rude, careless, cold)
13
unthinking(adjective, sharp, rude, careless, indifferent)
12
unconcerned(noun, adjective, dull, sharp, rude)
11
listless(adjective, energy, sharp, rude, careless)
11
mindless(adjective, indifferent, wild, stupid)
10
apathetic(noun, adjective, dull, sharp, rude)
9
rash(adjective, sharp, rude, careless, indifferent)
8
disregardful(adjective, sharp, rude, careless, indifferent)
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APASmart Define. (2015). inattentive thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/inattentive/thesaurus/synonyms
ChicagoSmart Define. 2015. "inattentive thesaurus" https://smartdefine.org/inattentive/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, inattentive thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/inattentive/thesaurus/synonyms>.
MLASmart Define. "inattentive thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/inattentive/thesaurus/synonyms>