adjective

  1. hard, solid, tough. Esp. 固い and 堅い for wood, 硬い for metal and stone.
  2. stiff, tight, wooden, unpolished (e.g. writing).
  3. strong, firm (not viscous or easily moved).
  4. safe, steady, honest, steadfast.
  5. obstinate, stubborn.
  6. bookish, formal, stuffy.

Variations

Pronunciation Kanji Kana Is Common
 
硬い かたい
 
固い かたい
 
堅い かたい
 
緊い かたい

Contained Kanji Breakdown

stiff, hard
かた.い コウ (8th, N2)
stone
いし セキ シャク (1st, N3)
left hand, cliff(厂) variant
mouth
くち コウ ク (1st, N4)
grow late, night watch, sit up late
さら コウ ふ.ける (7th, N3)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
day, sun, Japan
ひ にっ ニチ (1st, N5)
mow, cut grass, subdue
ガイ ゲ おさ.める (Kentei 1)