百鬼夜行 ひゃっきやぎょう Also written ひゃっきやこう Meanings Noun nightly procession of monsters, spirits, etc. veritable pandemonium; large number of people plotting and doing evil; creepy characters roaming about Kanji 百 hundred. Read as ヒャク. 鬼 ogre 夜 night 行 line. Read as ギョウ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists