heavy-duty

adjective

heavy-du·​ty ˈhe-vē-ˈdü-tē 

-ˈdyü-

1

: able or designed to withstand unusual strain

heavy-duty trucks

2

: intensive

heavy-duty bargaining

3

: important, prominent

heavy-duty lawyers

Synonyms

• acute
• almighty
• blistering
• deep
• dreadful
• excruciating
• explosive
• exquisite
• fearful
• fearsome
• ferocious
• fierce
• frightful
• furious
• ghastly
• hard
• heavy
• hellacious
• intense
• intensive
• keen
• profound
• terrible
• vehement
• vicious
• violent

Examples of heavy-duty in a Sentence

some heavy-duty lobbying on the part of the president was necessary in order to get the bill passed

a group of heavy-duty politicians and other notables attended the gala

Recent Examples on the Web

Traveler's Choice Pagosa Indestructible Hardshell Carry-On Luggage The ideal carry-on suitcase should be resistant to wear and tear, roomy, heavy-duty but lightweight, and not too expensive — the Traveler’s Choice Pagosa hardshell bag ticks all those boxes. —Melissa Epifano, Peoplemag, 14 July 2024

Simply tear off a sheet of heavy-duty foil, wad it up to form a homemade scouring pad, and get to scrubbing. —Darcy Lenz, Southern Living, 13 July 2024

And even if Sing Sing shoulders some heavy-duty ideas about forgiveness and redemption, Kwedar also recognizes the value and delight of pure play. —Stephanie Zacharek, TIME, 12 July 2024

For example, Tesla unveiled its fully electric heavy-duty truck, the Semi, in 2017, and did not begin deliveries until December 2022. —Katie Bartlett, CNBC, 11 July 2024

Word History

First Known Use

1914, in the meaning defined at sense 1

Kids Definition

heavy-duty

adjective

heavy-du·​ty

ˌhev-ē-ˈd(y)üt-ē

: able or designed to take hard use or great strain

heavy-duty vehicles