KanjiJLPT N1
Must Not

not, must not, do not, be not

Mnemonic

A wing-like shape meaning must not.

Details

The keyword for 勿 is must not. This kanji conveys a strong sense of prohibition or negative command, expressing that something should absolutely not be done. It functions as an imperative negation, carrying a forceful tone that goes beyond a simple "do not" to emphasize that an action is forbidden or strongly inadvisable. In classical usage, it serves as a firm admonition against a particular behavior or course of action.
On'yomi
もち、ぶつ、ぼつ
Kun'yomi
なか.れ、なし

Used in kanji