heavy-duty

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English

Adjective

heavy-duty (comparative more heavy-duty, superlative most heavy-duty)

  1. Designed to withstand hard usage without breaking; hard-wearing.
    Antonym: light-duty
    • 1960 April, “Restaurant cars and multiple-units”, in Trains Illustrated, page 222:
      The cars are constructed to the normal B.R. standard coach specifications and mounted on heavy-duty B.R.2 type bogies with B.T.R. rubber vibro-insulators on the bearing springs.
  2. (informal) Very serious, intense, or demanding.
    • 2001 January 8, Michael Braga, “Prepackaged programming”, in The St. Petersburg Times:
      Stewart has 18 years of programming experience, and he's one of only a handful of people at the St. Petersburg computer consulting company who can handle such heavy-duty programming. Such skills can earn a programmer of Stewart's caliber about $70,000 a year.
    • 2017 September 11, Matt Simon, “The Astonishing Engineering Behind America's Latest, Greatest Supercomputer”, in Wired:
      Summit still has to ... summit some final steps before it can start crunching heavy-duty science.
    • 2021 October 8, Joel Drucker, “In an All-American battle, Anisimova shows Scott the ropes”, in Tennis:
      No matter how great a football prospect is, they’re often only gradually exposed to the rigors of heavy-duty competition.

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