Translation guide
The ability to float in water or air, and metaphorically, a cheerful, resilient quality.
The ability of an object or person to float in a fluid.
The standard scientific term for buoyant force. Used in physics and everyday contexts.
A positive, optimistic attitude that helps one recover from difficulties.
Optimism; a tendency to expect the best. Closely matches emotional buoyancy.
彼女の楽観性は周りを明るくする。
Her buoyancy brightens up those around her.
The ability of a market, economy, or company to remain strong or recover quickly.
Underlying strength; resilience. Often used for markets or economies that resist downward pressure.
株式市場は底堅さを見せている。
The stock market is showing buoyancy.
Directly translating 'buoyancy' as 浮力 in emotional contexts will sound like you are talking about physics. Use words like 楽観性 or 快活さ instead.
水の浮力で体が浮く。
The body floats due to the buoyancy of water.
浮力の原理を学ぶ。
Learn the principle of buoyancy.
Lifting force, often used in engineering or aviation contexts.
飛行船は浮揚力で空中に浮かぶ。
The airship floats in the air by lifting force.
Literally 'the property of floating'. A descriptive phrase when not using the technical term.
この木は浮く性質がある。
This wood has buoyancy.
Cheerfulness, liveliness. Describes a buoyant personality.
彼の快活さは逆境でも変わらない。
His buoyancy doesn't change even in adversity.
Quickness to recover; resilience. Emphasizes the bouncing-back aspect of buoyancy.
彼女の立ち直りの早さには驚かされる。
I'm amazed by her buoyancy (ability to bounce back).
A feeling of lightness or uplift. Can be used metaphorically for emotional buoyancy, but less common.
成功の知らせに浮揚感を覚えた。
I felt a sense of buoyancy at the news of success.
Resilience, ability to recover. Used broadly, including economic contexts.
この経済の回復力は注目に値する。
The buoyancy of this economy is noteworthy.
Upward trend. Describes buoyancy as a tendency to rise.
市場には上昇傾向が見られる。
The market shows buoyancy.