Meanings
nounthoughtlessness (uncountable)
- uncountableDisregard for other's feelings or the consequences of one's actions.
Woman, I can hardly express / My mixed emotions at my thoughtlessness
1981, John Lennon, “Woman”
Synonyms & antonyms
Opposite
nounthe quality of failing to be considerate of others
Opposite
Broader
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*teng-
- Proto-Germanic*þankijaną
- Proto-Germanic*þanhtaz
- Proto-West Germanic*þą̄ht
- Old Englishþōht
- Middle Englishthought
- Englishthought
- Proto-Indo-European*lewh₁-
- Proto-Indo-European*lewHs-
- Proto-Germanic*leusaną
- Proto-Germanic*lausaz
- Englishthoughtless
- Englishthoughtlessness
From thoughtless + -ness.
Full word history & related roots →Translations
Ancient Greek ἀβουλία, ἀλογιστία
- ἀβουλία (aboulía)heedless disregard for the consequences of one's actions
- ἀλογιστία (alogistía)heedless disregard for the consequences of one's actions
Catalan desconsideració
- desconsideraciódisregard for other's feelings
Czech bezohlednost, lehkomyslnost
- bezohlednostdisregard for other's feelings
- lehkomyslnostheedless disregard for the consequences of one's actions
Finnish ajattelemattomuus, ajattelemattomuus
- ajattelemattomuusdisregard for other's feelings
- ajattelemattomuusheedless disregard for the consequences of one's actions
- välinpitämättömyysheedless disregard for the consequences of one's actions
French déconsidération, inconsidération
- déconsidérationdisregard for other's feelings
- inconsidérationdisregard for other's feelings
- irréflexionheedless disregard for the consequences of one's actions
Greek ασυλλογισιά
- ασυλλογισιά (asyllogisiá)heedless disregard for the consequences of one's actions
Hungarian figyelmetlenség, tapintatlanság
- figyelmetlenségdisregard for other's feelings
- tapintatlanságdisregard for other's feelings
- meggondolatlanságheedless disregard for the consequences of one's actions
- vigyázatlanságheedless disregard for the consequences of one's actions
Latin temeritās
- temeritāsheedless disregard for the consequences of one's actions
Polish bezwzględność, bezmyślność
- bezwzględnośćdisregard for other's feelings
- bezmyślnośćheedless disregard for the consequences of one's actions
Slovak ľahkomyseľnosť
- ľahkomyseľnosťheedless disregard for the consequences of one's actions
Spanish inconsideración, desconsideración
- inconsideracióndisregard for other's feelings
- desconsideracióndisregard for other's feelings
- irreflexiónheedless disregard for the consequences of one's actions
Vietnamese bàng quan, thờ ơ
- bàng quandisregard for other's feelings
- thờ ơdisregard for other's feelings
Cite this entry
APA
thoughtlessness. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/thoughtlessness
MLA
“thoughtlessness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thoughtlessness. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “thoughtlessness,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/thoughtlessness.
Source: thoughtlessness on Wiktionary, CC BY-SA 4.0.