2. (noun)utility, usefulness the quality of being of practical use
3. (noun)utility the service (electric power or water or transportation) provided by a publicutility "the cost of utilities never decreases"; "all the utilities were lost after the hurricane"
4. (noun)utility (economics) a measure that is to be maximized in any situation involving choice
5. (noun)utility program, utility, service program (computer science) a program designed for generalsupport of the processes of a computer "a computer system provides utility programs to perform the tasks needed by most users"