Minus  —prep. 1 with the subtraction of (7 minus 4 equals 3). 2 below zero (minus 2°). 3 colloq. Lacking (returned minus their dog). —adj. 1 math. Negative. 2 electronics having a negative charge. —n. 1 = *minus sign. 2 math. Negative quantity. 3 colloq. Disadvantage. [latin, neuter of *minor]