Translation guide
The quality of being smooth, graceful, and able to change easily. In Japanese, this concept is expressed through various words and phrases depending on whether you mean physical flow, adaptability, or graceful movement.
Describing the ability of a substance to flow easily, like water or oil.
The most direct translation for physical fluidity, used in scientific or technical contexts.
This liquid has high fluidity.
Onomatopoeic word describing a smooth, non-sticky flow, often for powders or light liquids.
This powder is smooth and fluid.
Literally 'low viscosity', used in technical descriptions of fluidity.
This solution has low viscosity and flows easily.
The ability to change smoothly according to circumstances, without rigidity.
Commonly used for mental flexibility or adaptability of systems, similar to 'flexibility'.
He has fluidity in his thinking.
Describes a situation or state that is fluid, changeable, not fixed. Often used for markets, plans, or social structures.
A four-character idiom meaning unrestricted adaptability, free from obstacles. Literary and somewhat rare.
Describing motion or expression that is flowing, elegant, and without awkwardness.
Often used for graceful, flowing movements in dance, calligraphy, or speech.
Her dance is fluid and graceful.
Smooth, fluid, without bumps or hesitation. Can describe movement, speech, or texture.
Literally 'without stagnation', used for speech or writing that flows smoothly.
I was impressed by his fluid speech.
Describing a gender identity that is not fixed.
流動性 is for physical fluidity (liquids, gases) or abstract changeability (markets, situations). 柔軟性 is for flexibility of mind, rules, or materials (bendable, not rigid). Use 柔軟性 for personal adaptability.
He is flexible/fluid in thinking.
Examine the fluidity of water.
English 'fluidity' covers many concepts. In Japanese, you often need a more specific word. Using 流動性 for a person's movement sounds unnatural; use なめらか or 流麗 instead.
This system needs fluidity.
The market is fluid.
The plan is still fluid.
I'm amazed by his fluid, unrestricted ideas.
彼の動きはとてもなめらかだ。
His movements are very fluid.
You have a fluid way of speaking.