nonequal adjective 1noun 1forms 1 adjective1 •Not equal; unequal, different.Periodic series of nonequal payments, converted into an equivalent future value. — 1982 noun1 •One who is not an equal; a person of differing rank or status....we may develop Table 5, summarizing nonverbal behaviors used between equals (close and distant) and nonequals (superior and subordinate). — 1977 formsnonequals