先せん負ぶMeaningsNoun1. day that is unlucky in the morning and lucky in the afternoon (in the traditional calendar); day on which judgment and haste should be avoidedOther spellingsせんぶ25%Other readings先せん負ぷ先せん負まけ先さき負まけKanji used先before (timewise)負lose to (something)Pitch accentせんぶ