KanjiJLPT N3
Full

full, fullness, enough, satisfy

Mnemonic

A violent storm crashes over the grasslands, flooding both banks of every river. The water rises until the entire valley is full—brimming, overflowing, unable to hold a single drop more.
Additional thoughts
Picture the storm dumping rain on grass-covered hills, water pouring equally into both sides of a valley until everything is completely full. The symmetry of 'both' reinforces totality.
Quick recall
A storm drenches the grass on both banks until the valley is full.

Details

The keyword for 満 is full. This kanji conveys the idea of being filled to capacity, brimming, or complete, as in a container filled to the top with water or a period of time that has been fully completed. It carries the sense of satisfaction and sufficiency, where nothing more can be added. It is also used to express the fulfillment of conditions, the reaching of a certain age, or a state of total contentment.
On'yomi
まん、ばん
Kun'yomi
み.ちる、み.つ、み.たす