How to say "elastic" in Japanese

Choosing the right word
  • しなやかJLPT N1approx.Common
    na-adjectiveCovers the figurative 'supple, flexible' sense: graceful elasticity of a body, movement, hair, or attitude. It describes lithe, yielding quality rather than literal stretchiness, so it is not the word for rubber bands.
  • nounA loanword meaning simply 'elastic'. It is a less common choice and mostly appears in commercial or technical contexts, such as fabric or product descriptions; for everyday stretchy things ゴムひも is usually the word you want.
  • 伸縮自在しんしゅくじざい
    na-adjective, no-adjectiveA four-character idiom meaning 'able to stretch and shrink freely', used for expandable or telescoping things like poles, hoses, or cords. Suited to describing function, not feel, and it is a less common, somewhat formal way to say 'elastic'.
  • 弾力的だんりょくてき
    na-adjectiveMeans 'elastic, flexible' in the sense of resilient and adaptable, typically applied to abstract things such as an economy, prices, or thinking. Not the word for a physical stretchy object, and a less common, formal choice.
  • nounA concrete noun for an actual elastic cord or elastic band, the stretchy string used to bind or fasten things. When 'elastic' means the physical object rather than a quality, this is the word you want.

Use 「しなやか」 for supple graceful flexibility of bodies or materials, 「ゴムひも」 for a physical elastic band or cord, 弾力的 for resilience in economies or thinking, 伸縮自在 for things that stretch and shrink, and 「エラスティック」 mainly as a loanword.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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