硬い

Japanese

Kanji in this term
Grade: S

Etymology

The word 硬い have been derived from ancient Japanese origin かたし (katashi: “hard”) and applied the meaning of Chinese letter 硬 that means keeping its physical shape or appearance under a force.

Adjective

硬い (-i inflection, hiragana かたい, rōmaji katai)

  1. Keeping a material's shape that does not crack or break apart; hard
    その (けん) (きゅう) (じょ)C60 (シーろくじゅう)ナノ・ロッドを使 (つか)ってダイヤモンドより (かた)材料 (ざいりょう)開発 (かいはつ)した。
    Sono kenkyūjo wa shī-rokujū nano roddo o tsukatte daiyamondo yori katai zairyō o kaihatsu shita.
    The lab developed a harder material than a diamond by using C60 nano-rods.
  2. Keeping one's appearance or facial expression; serious
     (きん) (ちょう)していたのだろうか、 (かれ) (かた) (ひょう) (じょう)をして (ほう) (てい) (はい)ってきた。
    Kinchō shite ita no darō ka, kare wa katai hyōjō o shite hōtei ni haitte kita.
    Perhaps because he was nervous, he entered the courtroom with a serious expression.

Inflection

Antonyms

  • (keeping a shape): もろい
  • (keeping an appearance): 軟らかい

Compounds

See also

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