Utilities

noun, plural utilities.
1.
the state or quality of being useful; usefulness:
This chemical has no utility as an agricultural fertilizer.
2.
something useful; a useful thing.
3.
a public service, as a telephone or electric-light system, a streetcar or railroad line, or the like.
Compare public utility (def 1).
4.
Often, utilities. a useful or advantageous factor or feature:
the relative utilities of a religious or a secular education.
5.
Economics. the capacity of a commodity or a service to satisfy some human want.
6.
the principle and end of utilitarian ethics; well-being or happiness; that which is conducive to the happiness and well-being of the greatest number.
7.
Computers. utility program.
8.
utilities, stocks or bonds of public utilities.
9.
a grade of beef immediately below commercial.
adjective
10.
(of domestic animals) raised or kept as a potentially profitable product rather than for show or as pets:
utility breeds; utility livestock.
11.
having or made for a number of useful or practical purposes rather than a single, specialized one:
a utility knife.
12.
designed chiefly for use or service rather than beauty, high quality, or the like:
a utility vehicle; utility furniture.
noun (pl) -ties
1.

the quality of practical use; usefulness; serviceability
(as modifier): a utility fabric

2.
something useful
3.

a public service, such as the bus system; public utility
(as modifier): utility vehicle

4.
(economics)

the ability of a commodity to satisfy human wants
the amount of such satisfaction See disutility

5.
(statistics)

a measure of the total benefit or disadvantage attaching to each of a set of alternative courses of action
(as modifier): utility function See also expected utility, decision theory

6.
(Austral & NZ) Also called utility truck, (informal) ute. a small truck with an open body and low sides, often with a removable tarpaulin cover; pick-up
7.
a piece of computer software designed for a routine task, such as examining or copying files