頑丈
Common
I-adj
Noun
1
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
solid;firm;stout;burly;strong;sturdy
これは掛けるのにたいそう頑丈ないすだ。
This is a very sturdy chair to sit in.
Other forms
岩乗 【がんじょう】 (word containing out-dated kanji or kanji usage)