1 heavy-duty materials are strong and thick and not easily damaged: heavy-duty canvas
2 heavy-duty machines or equipment are designed to be used for very hard work
3 especially AmE informal very serious, complicated, or involving strong emotions: a heavy-duty affair

Longman dictionary of contemporary English. 2004.

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  • heavy duty — ˌheavy ˈduty also heavy duty adjective [only before a noun] heavy duty materials, equipment etc are strong and suitable for hard work: • heavy duty gearboxes used in tanks • heavy duty workwear compare light duty, medium duty …   Financial and business terms

  • heavy-duty — UK US adjective ► strong and designed to be used for a long time: »These are large, heavy duty bags for those who buy a lot of groceries. »heavy duty vehicles/trucks/tools »heavy duty steel/vinyl/plastic → See also LIGHT DUTY(Cf. ↑light duty) …   Financial and business terms

  • heavy-duty — adj 1.) heavy duty materials are strong and thick and not easily damaged ▪ heavy duty canvas 2.) heavy duty machines or equipment are designed to be used for very hard work 3.) informal especially AmE very complicated, serious, or extreme ▪ Today …   Dictionary of contemporary English

  • heavy-duty — adjective 1. ) strong and not easily damaged: heavy duty plastic heavy duty diesel engines 2. ) INFORMAL very serious: a heavy duty conversation …   Usage of the words and phrases in modern English

  • heavy-duty — durable, strong, 1914; see HEAVY (Cf. heavy) + DUTY (Cf. duty) …   Etymology dictionary

  • heavy-duty — [hev′ē do͞ot′ē, hev′ēdyo͞ot′ē] adj. 1. made to withstand great strain, bad weather, etc. [heavy duty shoes] 2. Slang very serious or important …   English World dictionary

  • heavy-duty — ► ADJECTIVE ▪ designed to withstand demanding use or wear …   English terms dictionary

  • heavy-duty — /hev ee dooh tee, dyooh /, adj. 1. providing an unusual amount of power, durability, etc.: heavy duty machinery; heavy duty shoes. 2. very important, impressive, or serious: heavy duty involvement; heavy duty questions. [1910 15] * * * …   Universalium

  • heavy-duty — adjective designed for heavy work (Freq. 1) a heavy duty detergent heavy duty gloves • Ant: ↑light duty • Similar to: ↑heavy, ↑industrial …   Useful english dictionary

  • heavy-duty — {adj.} Made for long or hard use; very strong. * /The lumberman used heavy duty trucks for hauling logs down the mountains./ * /The workers in the steel mill have heavy duty gloves for handling hot steel./ * /Mrs. Carlson bought a heavy duty… …   Dictionary of American idioms

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