Change  —n. 1 a making or becoming different. B alteration or modification. 2 a money exchanged for money in larger units or a different currency. B money returned as the balance of that given in payment. 3 new experience; variety (need a change). 4 substitution of one thing for another (change of scene). 5 (in full change of life) colloq. Menopause. 6 (usu. In pl.) One of the different orders in which bells can be rung. —v. (-ging) 1 undergo, show, or subject to change; make or become different. 2 a take or use another instead of; go from one to another (change one's socks; changed trains). B (usu. Foll. By for) give up or get rid of in exchange (changed the car for a van). 3 give or get money in exchange for. 4 put fresh clothes or coverings on. 5 (often foll. By with) give and receive, exchange. 6 change trains etc. 7 (of the moon) arrive at a fresh phase.  change down engage a lower gear. Change gear engage a different gear. Change hands 1 pass to a different owner. 2 substitute one hand for the other. Change one's mind adopt a different opinion or plan. Change over change from one system or situation to another.