na-adjective
inconsiderate; thoughtless; insensitive
Describes a lack of consideration for others' feelings or circumstances. Often used in formal or written contexts to criticize behavior or attitudes.
彼の無配慮な発言がみんなを傷つけた。
His thoughtless remark hurt everyone.
公共の場での無配慮な行動は避けるべき
You should avoid inconsiderate behavior in public places.
The positive noun meaning consideration or care. 無配慮 is its negation, meaning the absence of such consideration.
Formed from the prefix 無 (mu-, 'without') and the noun 配慮 (hairyo, 'consideration'). The combination follows a standard pattern for creating negative adjectival nouns.