utility (Noun) — A company that performs a public service; subject to government regulation.
utility (Noun) — The quality of being of practical use.
utility (Noun) — The service (electric power, water or transportation) provided by a public utility. ex. "the cost of utilities never decreases" ex. "all the utilities were lost after the hurricane"
utility (Noun) — (economics) a measure that is to be maximized in any situation involving choice.
utility (Noun) — (computing) a program designed for general support of the processes of a computer. ex. "a computer system provides utility programs to perform the tasks needed by most users"
utility (Noun) — A facility composed of one or more pieces of equipment connected to or part of a structure and designed to provide a service such as heat or electricity or water or sewage disposal. ex. "the price of the house included all utilities"
utility (Adjective) — Used of beef; usable but inferior.
utility (Adjective) — Capable of substituting in any of several positions on a team. ex. "a utility infielder"