Translation guide
The English word 'elastic' can describe physical stretchiness, flexible systems or rules, and a buoyant or resilient quality. This guide covers natural Japanese expressions for each meaning.
Describing something that can stretch and return to its original shape, like a rubber band, fabric, or waistband.
A common, neutral phrase meaning 'having elasticity/stretchiness'. Used for materials, fabrics, and objects.
この生地は伸縮性があります。
This fabric is elastic.
伸縮性のある素材を使っています。
We use elastic materials.
Literally 'rubber'. Often used for elastic bands, rubber-like stretchiness. More concrete than 伸縮性.
ゴムのバンドで髪を結ぶ。
I tie my hair with an elastic band.
このズボンはゴムが入っています。
These pants have an elastic waistband.
More formal or technical, emphasizing resilience and bounce-back, not just stretch. Often used for foam, cushions, or scientific contexts.
このマットレスは弾力性があります。
This mattress is elastic/resilient.
Describing something non-physical that can change or adapt easily, like a schedule, definition, or system.
The most natural word for 'flexible' in abstract senses. Works for rules, thinking, schedules.
柔軟な対応をお願いします。
Please be flexible/elastic in your response.
この規則は柔軟に解釈できる。
This rule can be interpreted elastically.
Directly translates 'elastic' in economic or policy contexts (e.g., elastic demand, elastic clause). More formal and specific than 柔軟.
需要は価格に対して弾力的だ。
Demand is elastic with respect to price.
An idiomatic phrase meaning 'to be flexible/accommodating'. Often used for people or systems that can adapt to circumstances.
彼は融通が利く人だ。
He's an elastic/flexible person.
Describing a lively, energetic quality that bounces back, like a step, mood, or material.
Literally 'as if bouncing'. Used for a springy step, buoyant mood, or resilient spirit.
弾むような足取りで歩く。
Walk with an elastic/springy step.
Similar to 弾力性のある but shorter. Can describe physical bounce or metaphorical resilience.
このボールは弾力がある。
This ball is elastic/bouncy.
The loanword エラスティック exists but is mainly used in fashion or technical product names (e.g., エラスティックバンド). For everyday descriptions, use native Japanese terms like 伸縮性 or ゴム.
この服は伸縮性があります。
This clothing is stretchy.
伸縮性 focuses on the ability to stretch and contract (like a rubber band). 弾力性 emphasizes resilience and the force to return to original shape (like a spring or mattress). For most everyday items, 伸縮性 is more natural.