Translation guide
Describes someone who becomes a millionaire very quickly, often through a sudden windfall like a lottery win, inheritance, or business success. Japanese expresses this with compound nouns or descriptive phrases.
Referring to someone who achieved millionaire status overnight, often through luck or a sudden event.
Literally 'one-night wealthy person'. A direct and natural compound noun for 'overnight millionaire'.
彼は宝くじで一夜富豪になった。
He became an overnight millionaire through the lottery.
Means 'a great wealthy person in one night'. Emphasizes the suddenness and magnitude.
Focusing on the event or state of becoming a millionaire overnight, rather than the person.
Standard phrase: 'to become a millionaire overnight'. Uses 億万長者 (millionaire) and 一夜で (in one night).
彼は一夜で億万長者になることを夢見ている。
He dreams of becoming an overnight millionaire.
一夜富豪 is a neutral term for someone who became rich overnight. 成金 (narikin) means 'nouveau riche' and often implies a lack of class or sudden, perhaps undeserved, wealth. Use 成金 carefully as it can be derogatory.
彼は成金趣味が嫌いだ。
He dislikes the flashy tastes of the nouveau riche.
Avoid directly translating 'overnight millionaire' word-for-word as オーバーナイト・ミリオネア. While understood by some, it sounds unnatural. Use the Japanese expressions provided.
その起業家は一夜にして大富豪になった。
The entrepreneur became an overnight millionaire.
Literally 'sudden nouveau riche'. Carries a slightly negative nuance of being newly rich and possibly lacking refinement.
彼はにわか成金で、急に高級車を買った。
He's an overnight millionaire and suddenly bought a luxury car.
More colloquial: 'to become a very rich person overnight'. 大金持ち is a common term for a wealthy person.
あの投資で彼は一夜にして大金持ちになった。
That investment made him an overnight millionaire.