I-adjective (keiyoushi)
1. hard; solid; toughesp. 固い and 堅い for wood, 硬い for metal and stone
  • たまご
  • かた硬く
  • ゆでて
  • ください
  • Boil the eggs hard.
I-adjective (keiyoushi)
2. stiff; tight; wooden; unpolished (e.g. writing)
  • この
  • ふた
  • かた固くて
  • 取れない
  • This lid is too tight for me to open.
I-adjective (keiyoushi)
3. strong; firm (not viscous or easily moved)
  • その
  • きかい機械
  • ほねぐ骨組み
  • かた堅く
  • なければならない
  • The frame of the machine should be rigid.
I-adjective (keiyoushi)
4. safe; steady; honest; steadfast
I-adjective (keiyoushi)
5. obstinate; stubborn
I-adjective (keiyoushi)
6. bookish; formal; stuffyAntonym: 砕けた
  • かた固い
  • こと
  • 言う
  • You don't have to be so formal.
Other forms
固い 【かたい】堅い 【かたい】緊い 【かたい】
緊い: Irregular kanji usage.


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