Thoughtless
WordNet
adjective
(1) Without care or thought for others
"The thoughtless saying of a great princess on being informed that the people had no bread; `Let them eat cake'"
(2) Marked by or paying little heed or attention
"We have always known that heedless self-interest was bad morals; we know now that it is bad economics"--Franklin D. Roosevelt
"Heedless of danger"
"Heedless of the child's crying"
(3) Showing lack of careful thought
"The debate turned into thoughtless bickering"
WiktionaryText
Adjective
- Marked by or showing lack of due thought or care; careless.
- Inconsiderate, inattentive.
- A thoughtless remark.
- Lacking thought or consideration.
- The debate turned into thoughtless bickering.