unthinking
adjectiveUK /ʌnˈθɪŋkɪŋ/
US /ʌnˈθɪŋkɪŋ/
Doing something without stopping to think about it first.
In an unthinking moment, he blurted out the secret.
RELATED WORDS
OTHER MEANINGS
2. Not showing thought or intelligence; lacking mental activity.
She stared at the wall with an unthinking gaze.
3. Not thinking or considering; unaware.
The unthinking crowd followed the leader without question.
4. Done without conscious thought, as if by habit.
He gave an unthinking reply to the simple question.