JMdict: 1598340

徹する 【てっする】

  1. [vs-s,vi] to penetrate; to sink in
  2. [vs-s,vi] to devote oneself (to); to do intently and exclusively
  3. [vs-s,vi] to do throughout (e.g. the night)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
徹 Penetrate, Clear, Pierce, Strike Home, Sit Up (all Night) テツ