9 entries under thoughtless topic. ×

2
purposive(adjective, careless)
1
aforethought(adjective, careless)
1
prepense
0
coldblooded
0
designful
0
done on purpose(expression, idiom, careless)
0
predesigned
0
predeterminate
0
with forethought(expression, careless)
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APASmart Define. (2015). unintentional thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unintentional/thesaurus/antonyms
ChicagoSmart Define. 2015. "unintentional thesaurus" https://smartdefine.org/unintentional/thesaurus/antonyms (accessed September 29, 2026).
HarvardSmart Define 2015, unintentional thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unintentional/thesaurus/antonyms>.
MLASmart Define. "unintentional thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/unintentional/thesaurus/antonyms>