1) 口堅くちがたい Parts 口 堅い #76,552 Inflections of 口堅い Class I-adjective Stem Inflected ending ✕ Link copied! くちがたい [4] Meaning Shirabe I-adjective discreet; tight-lipped Kanji 口 コウ mouth 堅 ケン strict, hard, solid Forms 口堅い#76,552口堅くちがたい口固い#155,046口固くちがたいくちがたいくちがたい