Meanings
comparative more thoughtless · superlative most thoughtless
- Marked by or showing lack of due thought or care.
Synonyms: careless, mindless, insensitive
- Inconsiderate, inattentive.
A thoughtless remark.
- Lacking thought or consideration.
The debate turned into thoughtless bickering.
1 more example
In thoughtless and breathless fear I rushed forward to avoid this host of demons, but while flying thus still more frightful and distorted shapes appeared, and I fancied I felt their hands clutching me.
1886, Peter Christen Asbjørnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 281Synonyms: insensate
Synonyms & antonyms
adjectiveMarked by or showing lack of due thought or care.
adjectiveLacking thought or consideration.
More synonyms by meaning
adjectiveshowing lack of careful thought
adjectivewithout care or thought for others
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
Translations
Ancient Greek ἀγνώμων, ἀφρόντιστος
- ἀγνώμων (agnṓmōn)careless
- ἀφρόντιστος (aphróntistos)careless
- ἀγνώμων (agnṓmōn)inconsiderate
- ἀφρόντιστος (aphróntistos)inconsiderate
Bulgarian необмислен, безразсъден
- необмислен (neobmislen)careless
- безразсъден (bezrazsăden)careless
- невнимателен (nevnimatelen)inconsiderate
- безразсъден (bezrazsăden)lacking thought
Catalan irreflexiu, descurat
- irreflexiucareless
- descuratcareless
- irreflexiulacking thought
Chinese Mandarin 不注意, 粗心
- 不注意 (bù zhùyì)careless
- 粗心 (cūxīn)careless
- 疏忽 (shūhu)careless
- 不體貼的 /不体贴的 (bù tǐtiē de)inconsiderate
- 粗心大意的 (cūxīndàyì de)inconsiderate
- 欠考慮的 /欠考虑的 (qiàn kǎolǜ de)lacking thought
- 不周到的 (bù zhōudào de)lacking thought
Czech lehkomyslný, neohleduplný
- lehkomyslnýcareless
- neohleduplnýinconsiderate
- bezmyšlenkovitýlacking thought
Esperanto senpripensa
- senpripensalacking thought
Finnish ajattelematon, ajattelematon
- ajattelematoncareless
- ajattelematoninconsiderate
- merkityksetönlacking thought
- ajatuksetonlacking thought
French irréfléchi, inattentionné
- irréfléchicareless
- inattentionnéinconsiderate
- irréfléchilacking thought
German gedankenlos, rücksichtslos
- gedankenloscareless
- rücksichtslosinconsiderate
- gedankenloslacking thought
Italian irriflessivo, irriflessivo
- irriflessivocareless
- irriflessivolacking thought
Japanese 不注意な, 無茶な
- 不注意な (fuchūi na)careless
- 無茶な (mucha na)inconsiderate
- 思考停止の (shikō teishi no)lacking thought
Latin incōgitātus
- incōgitātusinconsiderate
Māori whakaarokore, wareware
- whakaarokorecareless
- warewarecareless
- pakihahacareless
- pakirarainconsiderate
- whakaarokorelacking thought
Polish lekkomyślny, bezmyślny
- lekkomyślnycareless
- bezmyślnyinconsiderate
- bezmyślnylacking thought
Portuguese irreflexivo
- irreflexivolacking thought
Russian безду́мный, легкомы́сленный
- безду́мный (bezdúmnyj)careless
- легкомы́сленный (lexkomýslennyj)careless
- безрассу́дный (bezrassúdnyj)careless
Scottish Gaelic coma
- comacareless
Spanish descuidado, inconsiderado
- descuidadocareless
- inconsideradoinconsiderate
- irreflexivolacking thought
Swedish lättvindig, hänsynslös
- lättvindigcareless
- hänsynslöscareless
- tanklöslacking thought
- oreflekteradlacking thought
Cite this entry
thoughtless. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/thoughtless
“thoughtless.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/thoughtless. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “thoughtless,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/thoughtless.
Source: thoughtless on Wiktionary, CC BY-SA 4.0.