Kanji 盲 blind, blind man, ignoramus 断 severance, decline, refuse Related words 早はや 合が 点てん 早合点 is more colloquial and implies a quick, often mistaken assumption, while 盲断 is more formal and emphasizes the blindness or recklessness of the judgment.
独どく 断だん 独断 means deciding on one's own authority, often without consulting others, whereas 盲断 focuses on the lack of proper basis or evidence.
Etymology Compound of 盲 (もう , 'blind') and 断 (だん , 'judgment' or 'decision'), literally meaning 'blind judgment'. The exact historical derivation is uncertain, but the word is conventionally associated with the idea of making a decision without seeing the full picture.
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