偉いさん えらいさん Also written エライさん Meanings Noun big shot; higher-ups See also: お偉いさん (おえらいさん). See also: お偉方 (おえらがた). Kanji 偉 great. Read as えらい. Words containing 偉いさん お偉いさん (おえらいさん) big shot Word lists Colloquial Jinuma: Japanese Dictionary · Word lists