Adjective: thoughtless thot-lus
- Showing lack of careful thought
"the debate turned into thoughtless bickering"
- 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’";
- uncaring, unthinking
See also: inconsiderate, thoughtfulness, unconsidered, unreflective, unthinking, unthoughtful
Antonym: thoughtful
Encyclopedia: Thoughtless