頑健 がんけん Meanings な-adjective, Noun robust; fit and healthy; strong; sturdy Kanji 頑 stubborn. Read as ガン. 健 healthy. Read as ケン. Example sentences 彼はとても頑健だ。He is strong as a horse. Words containing 頑健 頑健無比 (がんけんむひ) being of very robust health Jinuma: Japanese Dictionary · Word lists