noun
plural -ties
[noncount] formal :the quality or state of being useful
[count] a service (such as a supply of electricity or water) that is provided to the public - usually plural
a company that provides electricity, water, etc. :public utility
[count] computers :a computer program that does a specific task
adjective
always used before a noun
designed for general use
sports :able to be used in several different positions or roles
made to be useful rather than decorative