n. & v.
n. 1 the state or condition of being different or unlike. 2 a point in which things differ; a distinction. 3 a degree of unlikeness. 4 a the quantity by which amounts differ; a deficit (will have to make up the difference). b the remainder left after subtraction. 5 a a disagreement, quarrel, or dispute. b the grounds of disagreement (put aside their differences). 6 Heraldry an alteration in a coat of arms distinguishing members of a family.
v.tr. Heraldry alter (a coat of arms) to distinguish members of a family. make a (or all the etc.) difference (often foll. by to) have a significant effect or influence (on a person, situation, etc.). make no difference (often foll. by to) have no effect (on a person, situation, etc.). with a difference having a new or unusual feature.
[ ME f. OF f. L differentia (as DIFFERENT) ]