わま 割り増し LinksSentence search for 割り増しSentence search for わりましSentence search for 割増Sentence search for 割増しKanji details for 割 and 増Edit in JMdict Noun, Noun which may take the genitive case particle 'no', Suru verb, Transitive verb1. extra (charge, fare, etc.); premium; bonus; (after a number) tenths increaseOther forms割増 【わりまし】、割増し 【わりまし】 Discussions Log in to talk about this word.