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.
This fabric is elastic.
We use elastic materials.
Literally 'rubber'. Often used for elastic bands, rubber-like stretchiness. More concrete than 伸縮性.
I tie my hair with an elastic band.
More formal or technical, emphasizing resilience and bounce-back, not just stretch. Often used for foam, cushions, or scientific contexts.
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.
Please be flexible/elastic in your response.
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.
An idiomatic phrase meaning 'to be flexible/accommodating'. Often used for people or systems that can adapt to circumstances.
He's an elastic/flexible person.
Describing a lively, energetic quality that bounces back, like a step, mood, or material.
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.
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.
These pants have an elastic waistband.
Demand is elastic with respect to price.