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 of heavy-duty

• intensive
• intense
• heavy
• fierce
• deep
• ferocious

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

For those who don’t remember, even just six years ago, the concept of no-makeup makeup was slowly emerging after years of the heavy-duty, full-face beats that dominated the 2010s. — Conçetta Ciarlo, Vogue, 30 July 2026

Unsurprisingly, heavy-duty trucks and muscle cars dominate the top of this list. — Adam Ismail, The Drive, 30 July 2026

The Lidax Ultra 3000 is an all-wheel-drive mower that uses two heavy-duty, treaded wheels on each side of the rear and two omni wheels on each side up front. — John R. Delaney, PC Magazine, 28 July 2026

This area is where climate resilience, urbanization and workplace safety laws are fueling demand for heavy-duty technical fabrics. — Arthur Zaczkiewicz, Footwear News, 27 July 2026

Word History

First Known Use

1914, in the meaning defined at sense 1

Rhymes for heavy-duty

• agouti
• beauty
• booty
• cutie
• duty
• fruity
• putti
• snooty
• sooty
• sruti
• tutti

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