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Adjective utility has 2 senses
  1. utility, utility-grade - used of beef; usable but inferior
    Antonym: superior (indirect, via inferior)
  2. 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
  1. 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
  2. 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
  3. utility - the service provided by a utility company; "the cost of utilities never decreases"
    --3 is a kind of     service
  4. 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
  5. 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
  6. 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
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