n.
Function: adjective
Date: 1851
1 : capable of serving as a substitute in various roles or positions <a utility infielder>
2 a : kept to provide a useful product or service rather than for show or as a pet < utility livestock> <a utility dog> b : being of a usable but inferior grade < utility beef>
3 : serving primarily for utility rather than beauty : UTILITARIAN
4 : designed or adapted for general use <a utility tool>
5 : of or relating to a utility <a utility company>