thoughtless

From thought +‎ -less.

• (UK) IPA^(key): /ˈθɔːtləs/, /ˈθɔːtlɪs/
• (General American) enPR: thôt’ləs, thôt’lĭs, IPA^(key): /ˈθɔtləs/, /ˈθɔtlɪs/
• (cot–caught merger) enPR: thät’ləs, thät’lĭs, IPA^(key): /ˈθɑtləs/, /ˈθɑtlɪs/

• Audio (US):

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• Rhymes: -ɔːtləs

thoughtless (comparative more thoughtless, superlative most thoughtless)

2. Marked by or showing lack of due thought or care.

   Synonyms: careless, mindless

3. Inconsiderate, inattentive.

   A thoughtless remark.

4. Lacking thought or consideration.

   The debate turned into thoughtless bickering.

   • 1886, Peter Christen Asbj&oslash￵rnsen, translated by H.L. Brækstad, Folk and Fairy Tales, page 281:

     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.

• short-sighted

• thoughtlessly
• thoughtlessness