noun The state or condition of being useful; usefulness.
noun Something that is useful.
noun The ability of a commodity to satisfy needs or wants; the satisfaction experienced by the consumer of that commodity.
noun Well-being, satisfaction, pleasure, or happiness.
noun A commodity or service provided on a continuous basis by a physical infrastructure network, such as electricity, water supply or sewerage.
The complex includes the usual utilities (gas and electricity) and amenities like wifi and a gym (toilets with toiletries).
noun A natural or legal monopoly distributer of such a utility; or, the securities of such a provider.
noun A software program other than a game; one that is useful or creative rather than merely entertaining.
a graphics utility; a music utility
noun A software program designed to perform a single task or a small range of tasks, often to help manage and tune computer hardware, an operating system, or application software.
I've bought a new disk utility that can recover deleted files.