English to English
adjective
- Not thinking; not heedful; thoughtless; inconsiderate; as, unthinking youth.
source: Webster 1913
adverb
- in a thoughtless manner
He stared thoughtlessly at the picture.
source: WordNet 3.0
adjective satellite
- not exhibiting or characterized by careful thought
source: WordNet 3.0
- 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'.
source: WordNet 3.0
- mentally sluggish
source: WordNet 3.0