How to say "robust" in Japanese

Choosing the right word
  • 丈夫じょうぶJLPT N5approx.Common
    na-adjectiveCovers 'robust' in the sense of physically strong, solid, and not easily damaged — a robust constitution, body, or object. The most versatile everyday choice for health or sturdiness.
    彼かれは丈夫じょうぶだったそうです。↗
    He is said to have been strong.
  • がっちりJLPT N1approx.Common
    adverb (with と), suru verbMimetic word for 'robust' describing a solidly built, well-knit physique. Use it when 'robust' means compactly and sturdily built, as with a muscular frame.
    彼かれは背せが高たかく骨組ほねぐみのがっちりした人ひとだ。↗
    He is a tall and strongly built man.
  • 屈強くっきょうCommon
    na-adjective, no-adjectiveCovers 'robust' as brawny and muscular — a robust, powerful body. Best when emphasizing visible physical strength, as of a robust frame.
  • 強壮きょうそうCommon
    na-adjective, no-adjectiveMatches 'robust' as able-bodied and sturdy in constitution. It leans toward vigor and physical fitness, overlapping with 屈強 but sounding more like a description of sound bodily strength.
  • 達者たっしゃJLPT N1approx.Common
    na-adjectiveReally means being in good health, hale and fit, rather than 'robust' itself. Use it when 'robust' implies enjoying vigorous good health, typically of a person, not an object.
    彼かれはとても年としをとっているけれどたっしゃだ。↗
    Although he is very old, he is strong.

Use 丈夫 for sturdy health or solid build, 「がっちり」 for a well-built physique, 屈強 or 強壮 for robust strength, and 達者 chiefly for being hale and in good health.

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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