How to read: かたく
Pronunciation: 
Same names and idioms in reading:
家宅 硬く 固く 難く 片句
Names and idioms with total stroke of 13:
重水 結っ 来行 水郁 名仁川
Names and idioms similar to 堅く:
堅帯 堅史 直堅 堅紙 常磐堅磐
Yojijukugo(idioms with 4 Kanji characters) including 堅く:
堅如磐石 堅忍不抜 披堅執鋭