インナー

いんなー
noun
innerwear; inner layer; inner
clothing
1. innerwear; undergarment; base layer
Clothing worn as a base layer under outer garments. Includes undershirts, thermal wear, and similar items.
冬(ふゆ)はインナーを着(き)る。
I wear a base layer in winter.
暖(あたた)かいインナーを一枚(いちまい)足(た)すだけで全然(ぜんぜん)違(ちが)う。
Just adding one warm inner layer makes a huge difference.
スポーツ用(よう)のインナーは汗(あせ)を素早(すばや)く吸収(きゅうしゅう)して乾(かわ)きやすい素材(そざい)でできている。
Sports innerwear is made from material that quickly absorbs sweat and dries easily.
2. inner; internal
Used as a prefix or modifier meaning "inner" or "internal" in various compound words.
インナーマッスルを鍛(きた)える。
To train the inner muscles (core muscles).
テントのインナーシートを敷(し)く。
To lay out the tent's inner sheet.
バッグのインナーポケットに財布(さいふ)を入(い)れた。
I put my wallet in the bag's inner pocket.

A loanword from English "inner." In the clothing sense, インナー is widely used in Japanese fashion and outdoor gear vocabulary. The word also appears as a productive prefix in many compound loanwords.

Common collocations

  • インナーウェア: innerwear (full form)
  • インナーマッスル: inner muscle, deep core muscle
  • インナーシャツ: undershirt
  • 防寒(ぼうかん)インナー: cold-weather base layer
  • ヒートインナー: heat-tech inner layer

Similar words

  • 下着(したぎ): underwear — the native Japanese word for undergarments
  • 肌着(はだぎ): undershirt, undergarment — worn directly against the skin
  • アンダーウェア: underwear — another English loanword, more formal
  • ベースレイヤー: base layer — outdoor/sports terminology

Related Words

Compare: 下着(したぎ) (underwear)
Compare: 肌着(はだぎ) (undershirt, undergarment)
Antonym: アウター (outerwear)
general
Added 2026.4.19 18:21 · Revised 2026.9.2 13:02
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