LEERY Meaning of LEERY in English adj. (leerier, leeriest) sl. 1. knowing, sly. 2 (foll. by of) wary. Derivatives: leeriness n. Etymology: perh. f. obs. leer looking askance f. LEER(1) + -Y(1) Oxford English vocab. Оксфордский английский словарь. 2012