KanjiJLPT N3
Deep

deep, heighten, intensify, strengthen

Mnemonic

A storm forces a crab to dig deep beneath a tree's roots. The crab claws frantically into dark earth, weaving past tangled roots, as the storm howls above. The deeper it burrows, the quieter everything becomes—pure, profound silence.
Additional thoughts
Picture the crab's claws scraping through soil and roots in darkness. The raging storm above contrasts with the deep stillness below. Depth equals escape from chaos into silence.
Quick recall
A storm sends a crab burrowing deep under a tree's roots into silence.

Details

The keyword for 深 is deep. This kanji conveys the concept of depth, whether in a physical sense such as deep water, a deep forest, or a deep hole, or in an abstract sense such as deep thought, deep emotion, or profound meaning. It can also express intensity or degree, suggesting that something is extreme or far-reaching. Additionally, it carries connotations of lateness when referring to time, as in the deep of night.
On'yomi
しん
Kun'yomi
ふか.い、-ぶか.い、ふか.まる、ふか.める、み-