1) 丹念たんねん Parts 丹 念 #12,235 Inflections of 丹念 Class Na-adjective Stem Inflected ending ✕ Link copied! Common たんねん [1] Meaning Shirabe Na-adjective Noun painstaking; careful; meticulous; scrupulous; detailed; elaborate この本ほんは丹念たんねんに読よまなければならない。 This book should be read with diligence. Kanji 丹 タン rust-colored, red, red lead 念 ネン wish, sense, idea Forms 丹念#12,235丹念たんねんたんねんたんねん