KanjiJLPT N4
Mouth

Mnemonic

A small open square — a mouth ready to speak.

Details

The keyword for 口 is mouth. This kanji is a simple pictograph representing an open mouth, depicted as a square or rectangular shape. It refers to the physical mouth used for eating and speaking, and by extension can represent any opening, entrance, or aperture. It is one of the most fundamental and frequently used kanji in Japanese.
On'yomi
こう、く
Kun'yomi
くち