豊富|ほうふhoufu[0]heiban (flat)

1. na-adjective, nounabundant; plentiful; rich; ample
   その国くには石油せきゆが豊富ほうふである。↗

   Oil is abundant in that country.

• Synonym潤沢じゅんたくWrittenWritten/formal prose. Mostly for ample funds or supplies, as in 「潤沢な資金」. 豊富 applies far more widely.
• Synonym豊饒ほうじょうWrittenWritten/formal prose. Fertile land and abundant produce; often literary. 豊富 is not limited to land.
• SynonymリッチNeutralNeutral loanword. Luxurious, wealthy, or rich in flavour, as in 「リッチな気分」. 豊富 focuses on quantity.
• Synonym大量たいりょうNeutralNeutral. Stresses sheer volume, as in 「大量生産」. 豊富 stresses ample supply, as in 「豊富な水」.
• Synonym豊かゆたかNeutralNeutral. Covers both large quantity and affluent living or spiritual richness. 豊富 focuses on quantity and variety.
• Synonym多くおおくNeutralNeutral. Many, or the majority, as in 「多くの人」. 豊富 stresses richness and abundance.
• SynonymふんだんNeutralNeutral. Usually modifies a verb as 「ふんだんに」, stressing lavish, unstinting use, as in 「ふんだんに使う」.
• Synonym豊潤ほうじゅんWrittenWritten/formal prose. Rich and mellow, often for fruit or the aroma of wine. 豊富 stresses sheer quantity.
• RelatedたくさんCasualColloquial. The most general word for a large quantity. 豊富 leans written and stresses rich variety or content.
• Related富裕ふゆうWrittenWritten/formal prose. A wealthy household and comfortable living, as in 「富裕層」. 豊富 is about things or knowledge.
• Related膨大ぼうだいNeutralNeutral. Huge in quantity or scale, as in 「膨大な資料」. 豊富 stresses having plenty to spare.
• Related多量たりょうWrittenWritten/formal prose. A large amount, as in 「多量の出血」. 豊富 stresses ample supply, in quantity or variety.
• Related裕福ゆうふくNeutralNeutral. A well-off family background, as in 「裕福な家庭」. 豊富 is about things or knowledge.
• Related十分じゅうぶんNeutralNeutral. As 「じっぷん」 it is just ten minutes, unrelated to 豊富; as 「十分（じゅうぶん）」 it means sufficient, close to 豊富.
• Related富饒ふじょうWrittenWritten/formal prose and rare; rich in produce. In everyday speech say 「豊か」.
• RelatedあまたWrittenWritten/formal prose, a literary word for numerous, as in 「数多の困難」. In daily speech say 「たくさん」.
• Related豊沃ほうよくWrittenWritten/formal prose. Fertile land. In everyday speech say 「肥沃」.
• Related肥沃ひよくWrittenWritten/formal prose. Fertile soil, as in 「肥沃な土地」. 豊富 is not limited to land.
• Antonym貧弱ひんじゃくNeutralNeutral antonym. Opposes 豊富 in fullness of content: poor, meagre, thin.
• Antonym不足ふそくNeutralNeutral antonym. Opposes 豊富 in quantity: not enough, lacking.

Default: 「豊富」 for richness in variety or content. In speech, plain quantity is 「たくさん」; huge quantity or scale is 「膨大」; ample funds or supplies are 「潤沢」; a wealthy household is 「裕福」; a rich life or spirit is 「豊か」. Antonyms: 「不足」 (shortage) and 「貧弱」 (meagre).

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. たくさんある様子ようす。