lack of self-reflection; lack of introspection; unreflective
Refers to a state or attitude of not examining one's own actions, failures, or inner self. Often used in critical or psychological contexts.
I'm amazed at his unreflective attitude.
To learn from failure, you must not be unreflective.
Compound of 無 (mu, 'without') and 反省 (hansei, 'self-reflection'). The exact historical derivation is uncertain, but the word follows a common pattern of negation.