JMdict: 1257230

堅牢 【けんろう】

  1. [adj-na,n] solid; strong; sturdy; durable; stout
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
堅 Strict, Hard, Solid, Tough, Tight, Reliable ケン かた.い, -がた.い
牢 Prison, Jail, Hardness ロウ かた.い, ひとや