ぶん 分だけ LinksSentence search for 分だけSentence search for ぶんだけKanji details for 分Edit in JMdict Suffix1. in proportion to; just as much asの飲むぶん分だけまめ豆をローストして、ミルでひ挽くんです。We roast just enough beans for the amount we're going to drink, and grind them in the coffee mill. Discussions Log in to talk about this word.