What does 堅い mean?
堅い is a Japanese adjective meaning “hard, firm, solid” in English. It can also be translated as “stiff, strong, safe” depending on context. It is written as 堅い in kanji, かたい in hiragana, and katai in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
その機械の骨組みは堅くなければならない。
The frame of the machine should be rigid.