JMdict: 1309320

思いきる 【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 Grade
思 Think シ おも.う, おもえら.く, おぼ.す 2