失しっ効こうTop 25000MeaningsNounSuru verbIntransitive verb1. lapse; abatement; invalidation; expiration; expiry; becoming voidKanji used失permanent loss効be effectivePitch accentしっこうUsed in vocabulary失しっ効こう日にち時じ表ひょう示じexpiry date indication; expiration date indicationNoun