thoughtless — English Dictionary

Adjective

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

   Synonyms

   carelessmindlessinsensitive

2. Inconsiderate, inattentive.

   Examples

   A thoughtless remark.

3. Lacking thought or consideration.

   Examples

   The debate turned into thoughtless bickering.

   More examples (1)

   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.

Adjective

1. showing lack of careful thought

   Antonyms

   thoughtful

   Examples

   the debate turned into thoughtless bickering

2. without care or thought for others

   Synonyms

   uncaringunthinking

   Examples

   the thoughtless saying of a great princess on being informed that the people had no bread: ‘Let them eat cake’