内心忸怩 ないしんじくじ Also written 内心じくじ Meanings たる-adjective, Adverb ashamed deep down in one's heart; blushing with shame when one remembers something Kanji 内 inside. Read as ナイ. 心 heart. Read as シン. 忸 shame. Read as ジク. 怩 shame. Read as ジ. Jinuma: Japanese Dictionary · Word lists