JMdict: 1309320

思い切る 【おもいきる】

  1. [v5r,vt] to give up all thoughts of; to abandon; to despair of
  2. [v5r,vi] to make up one's mind; to take a momentous decision
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
思 Think シ おも.う, おもえら.く, おぼ.す
切 Cut, Cutoff, Be Sharp セツ, サイ き.る, -き.る, き.り, -き.り, -ぎ.り, き.れる, -き.れる, き.れ, -き.れ, -ぎ.れ