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

The Zip Navigator is a similar but slightly less heavy-duty model ($1,495). —Larry Olmsted, Forbes, 21 Dec. 2024

In these cases, glueing down the corners with batter or opting for heavy-duty parchment paper or silicone mats is a smart choice. —Katie Rosenhouse, Southern Living, 19 Dec. 2024

The Heavy-Duty Omnibus rule, adopted in 2020, establishes cleaner engine standards and requires warranties for new heavy-duty vehicles. —Tony Briscoe, Los Angeles Times, 18 Dec. 2024

The second waiver is for regulations that control the amount of nitrogen oxides (NOx) that can be emitted by heavy-duty vehicles as well as off-road vehicles. —Ars Technica, 18 Dec. 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