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

To manage that heft, there's a Honda Goldwing front end and heavy-duty Hagon wheels with stainless steel spokes. —New Atlas, 4 Nov. 2024

But, instead of packing your heavy-duty power bank that can hold multiple charges (and weighs down your bag and needs to be charged at night), these FuelRods are a genius Disney World hack. —Erin Cavoto, Travel + Leisure, 4 Nov. 2024

Tip For Freezing Cooked Butternut Squash Make sure the butternut squash had a chance to cool down completely before storing it in a heavy-duty freezer bag or airtight container. —Stacey Lastoe, Southern Living, 4 Nov. 2024

Place garlic cloves in a piece of heavy-duty aluminum foil and drizzle with 1 teaspoon olive oil. —Elizabeth Nelson, Southern Living, 2 Nov. 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