肌・膚|はだhada[1]atamadaka (head-high)

1. nounskin
   刺激しげきを受うけ続つづけると肌はだの保護ほご作用さようにより角質かくしつが肥厚ひこうして、ゴワゴワしたり硬かたくなって、毛穴けあなが目立めだってきます。↗

   If it continues to be stimulated the skin's protective function causes thickening and it becomes stiff and hard with pores that stand out.
2. nounbody (in the context of intimate bodily contact)
3. noun, noun (suffix)surface; grain (e.g. of wood); texture
4. noun, noun (suffix)disposition; temperament; character; type
   中国ちゅうごくの音楽おんがくはどうも僕ぼくの肌はだに合あわない。↗

   I don't have the feeling for Chinese music in my body.

• Synonym皮膚ひふNeutralSkin as a bodily organ; used in both medical and everyday contexts, as in 「皮膚がかゆい」. 「肌」 highlights skin quality or feel, as in 「肌が荒れる」.
• SynonymスキンNeutralLoanword used mainly in beauty contexts, as in 「スキンケア」; also refers to a condom or a custom software skin.
• Synonym肌膚きふWrittenWritten-style word for skin, rare even in formal prose; 「肌」 is the usual choice.
• Related皮かわNeutralOuter skin of animals and plants, e.g. hides and fruit peel. 「肌」 is mostly for human skin, and also for object surfaces and grain.
• Related外皮がいひWrittenAn outer skin or shell, mostly of plants and animals; leans written/formal.

Use 「肌」 for human skin and skin quality, as in 「肌荒れ」「美肌」, and for object surfaces. 「皮膚」 names the organ; 「スキン」 is a beauty loanword; 「皮」 covers animal and plant skins; 「肌膚」 and 「外皮」 are written-style.

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

1. （はだ）皮膚ひふ。