expression, i-adjective
out of character; unlike one
Used when someone's action or statement is not typical of their personality or usual behavior. Often used in the pattern 〜が柄にもなく or 〜なんて柄にもない.
彼が泣くなんて柄にもない。
It's out of character for him to cry.
柄にもなく緊張してしまった。
Uncharacteristically, I got nervous.
Standard kanji spelling.
Variant with 無い; less common but still used.
らしくない is a more general expression meaning 'not like (someone/something)', while 柄にもない specifically refers to behavior that is not typical of one's character or personality.
From 柄 (がら, 'one's character or nature') + に (particle) + も (even) + ない (not). Literally 'not even in one's character'.