utility - definition, thesaurus and related words from WordNet-Online

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Adjective utility has 2 senses

utility, utility-grade - used of beef; usable but inferior
Antonym: superior (indirect, via inferior)
utility, substitute - capable of substituting in any of several positions on a team; "a utility infielder"
Antonym: primary (indirect, via secondary)

Noun utility has 6 senses

utility, public utility, public-service corporation - a company that performs a public service; subject to government regulation
--₁ is a kind of service
--₁ has particulars:

telephone company, telephone service, phone company, phone service, telco; power company, power service, electric company, light company; water company, waterworks; gas company, gas service; bus company, bus service

utility, usefulness - the quality of being of practical use
--₂ is a kind of quality
Antonyms: inutility, uselessness, unusefulness
--₂ has particulars:
detergency, detergence; function, purpose, role, use; helpfulness; use; serviceability, serviceableness, usableness; instrumentality; practicality; practicability, practicableness

Derived forms: verb utilize₁, verb utilise₁
utility - the service provided by a utility company; "the cost of utilities never decreases"
--₃ is a kind of service
utility - (economics) a measure that is to be maximized in any situation involving choice
--₄ is a kind of system of measurement, metric
--₄ has particulars: marginal utility
utility program, utility, service program - (computer science) a program designed for general support of the processes of a computer; "a computer system provides utility programs to perform the tasks needed by most users"
--₅ is a kind of program, programme, computer program, computer programme
--₅ has parts: utility routine, service routine
--₅ has particulars:
driver, device driver; diagnostic program; input program; output program; sort program, sorting program; trace program
utility - 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; "the price of the house included all utilities"
--₆ is a kind of facility, installation
--₆ has particulars:
electrical system, electrical plant; heating system, heating plant, heating, heat; plumbing, plumbing system