クソ真面目 クソまじめ Also written くそまじめ, くそマジメ, クソマジメ, くそ真面目, 糞真面目, 糞マジメ, 糞まじめ Meanings な-adjective overly serious; serious to a fault; humorless Kanji 真 true 面 face 目 eye. Read as め. Jinuma: Japanese Dictionary · Word lists