# 徹 — Penetrate

Frequency rank 1141 / 2,608 in published Japanese.

Rarer in this ranking, but still part of the 2,608-character published set.

More common than 駄 (Burdensome), less common than 奴 (Dude).

- On’yomi: てつ
- Kun’yomi: —
- Radical: 彳 Step (Kangxi 60)
- Frequency path: Level IX of XX

The go radical on the left with a jackhammer on the right — you go forward with a jackhammer that penetrates through any wall.

In words:

- 徹する てっする — to sink in;to penetrate;to devote oneself;to believe in;to go through;to do intently and exclusively
- 徹底 てってい — thoroughness,completeness
- 徹夜 てつや — all night,all night vigil,sleepless night

[Study 徹](https://app.kanjidrift.com/study?kanji=%E5%BE%B9)

[← Rank 1140: 奴 (Dude)](https://kanjidrift.com/frequency/奴.md) · [Rank 1142: 駄 (Burdensome) →](https://kanjidrift.com/frequency/駄.md)

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