無益有害 むえきゆうがい Meanings Noun, な-adjective useless and harmful Kanji 無 without. Read as ム. 益 benefit. Read as エキ. 有 have. Read as ユウ. 害 harm. Read as ガイ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists