いちぶ ごく一部 LinksSentence search for ごく一部Sentence search for ごくいちぶSentence search for 極一部Kanji details for 一 and 部Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. very small fraction (of); very small proportion; very small part; tiny bitOther forms極一部 【ごくいちぶ】 Discussions Log in to talk about this word.