01
徹夜
てつや
staying up all night
Meanings
- penetrate
- clear
- pierce
- strike home
- sit up (all night)
Readings
Onyomi
- テツ
Kunyomi
- N/A
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Useful words
02
徹底
てってい
thoroughness
03
徹する
てっする
to devote oneself to
04
貫徹
かんてつ
carrying through
05
徹頭徹尾
てっとうてつび
from start to finish
06
冷徹
れいてつ
cool-headed
Compare Kanji
01通Meaning86%traffic, pass through通 supports the penetrate-through sense of 徹.02貫Meaning84%pierce, 8 1/3lbs貫 also means pierce through, giving a very direct meaning link.03透Meaning76%transparent, permeateTransparency offers a gentler version of passing through.04従Component64%accompany, obeyThe stepping left side appears in 従, keeping the movement family visible.05街Component60%boulevard, street街 uses a related movement-frame for streets rather than penetration.06攻Meaning50%aggression, attack攻 adds a forceful push-through feeling, weaker but still useful for 徹.