裕福|ゆうふくyuufuku[1]atamadaka (head-high)

1. na-adjective, nounwealthy; rich; affluent; well-off
   彼かれの給料きゅうりょうでは裕福ゆうふくになれないだろう。↗

   He won't get fat on his salary.

• Synonym富裕ふゆうWrittenWritten-style noun for affluence, often seen in 「富裕層」. 「裕福」 is the usual word for family background, as in 「裕福な家庭」.
• SynonymリッチCasualColloquial loanword for being rich or living in luxury, as in 「リッチな気分」; light and relaxed in tone.
• Synonym豊かゆたかNeutralMuch broader than 「裕福」: abundance of anything, not just money, as in 「心が豊か」. Only one of its senses covers wealth.
• Antonym貧乏びんぼうNeutralAntonym: poor and hard up, the everyday opposite of 「裕福」, common in speech.
• Antonym貧困ひんこんWrittenWritten-style antonym for poverty, as in 「貧困層」; tends to frame poverty as a social problem rather than personal wealth.

For a wealthy family background use 「裕福」, as in 「裕福な家庭に育つ」. 「富裕」 is the written choice (「富裕層」), 「リッチ」 casual talk, 「豊か」 abundance beyond money. Opposite: everyday 「貧乏」, written 「貧困」.

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

1. 財産ざいさんや収入しゅうにゅうが多おおく、生活せいかつが豊ゆたかなこと。また、そのさま。