硬い (Katai) is a Japanese i-adjective meaning “hard, solid, tough, stiff”.
Meanings
- i-adjectivehard; solid; toughesp. 固い and 堅い for wood, 硬い for metal and stone
- i-adjectivestiff; tight; wooden; unpolished (e.g. writing)
- i-adjectivestrong; firm (not viscous or easily moved)
- i-adjectivesafe; steady; honest; steadfast
- i-adjectiveobstinate; stubborn
- i-adjectivebookish; formal; stuffy
Examples
彼は頭が固い。
He is thick-headed.
卵を硬く茹でた。
I hard-boiled an egg.
固い便が出ます。
I have hard stools.
Sentences from Tatoeba (CC BY 2.0 FR).