業を煮やす ごうをにやす Also written 業をにやす Meanings Expression, Godan verb to lose one's temper; to lose patience; to have enough; to be exasperated; to become irritated; to get fed up See also: 煮やす (にやす). Kanji 業 business. Read as ゴウ. 煮 simmer. Read as にやす. Word lists Idioms Jinuma: Japanese Dictionary · Word lists