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.
Phrases and idioms:
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.
Etymology: ME f. OF f. L differentia (as DIFFERENT)