副(ふく)〜 ふく prefix vice-; deputy; sub- business 1. vice-; deputy; assistant Prefix indicating a secondary or assistant position. 副社長(ふくしゃちょう)が会議(かいぎ)を仕切(しき)った。🔊 The vice president ran the meeting. 副(ふく) + 社長(しゃちょう) = vice president 副会長(ふくかいちょう)が代(か)わりに挨拶(あいさつ)をした。🔊 The vice chairman gave the greeting instead. 副校長(ふくこうちょう)が校長(こうちょう)の代理(だいり)を務(つと)めた。🔊 The vice principal served as the principal's substitute. 2. secondary; supplementary; side Prefix indicating something additional or secondary. 副作用(ふくさよう)に注意(ちゅうい)してください。🔊 Please be careful of side effects. 副(ふく) + 作用(さよう) = side effect 副収入(ふくしゅうにゅう)を得(え)たい。🔊 I want to earn supplementary income. 副(ふく) + 収入(しゅうにゅう) = side income 副業(ふくぎょう)で収入(しゅうにゅう)を増(ふ)やしたい。🔊 I want to increase my income with a side job. 副(ふく)〜 is a prefix meaning 'vice-' or 'secondary.'Compounds (VICE/DEPUTY)副社長(ふくしゃちょう) (vice president of company)副大統領(ふくだいとうりょう) (vice president of country)副会長(ふくかいちょう) (vice chairman)副校長(ふくこうちょう) (vice principal)副知事(ふくちじ) (lieutenant governor)Compounds (SECONDARY)副作用(ふくさよう) (side effect)副産物(ふくさんぶつ) (by-product)副収入(ふくしゅうにゅう) (side income)副業(ふくぎょう) (side job; side business)副食(ふくしょく) (side dish)Similar words正(せい)〜 (main; regular) or 主(しゅ)〜 (main; primary) general Added 2026.1.13 16:20 · Revised 2026.10.5 21:34 03500/03965_fuku