noun
match for thousands; mighty warrior
A yojijukugo describing a warrior so strong that even a thousand men cannot oppose them. Often used in literary or historical contexts.
彼は万夫不当の勇者として語り継がれている。
He is remembered as a warrior of unmatched strength.
天下無双 means 'unrivaled under heaven' and is broader, while 万夫不当 specifically emphasizes martial prowess against many opponents.
A yojijukugo composed of 万 (ten thousand), 夫 (man), 不 (not), and 当 (match). The literal meaning is 'ten thousand men cannot match (him).'