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

The European Commission’s requirement of a 40% reduction in emissions from new heavy-duty vehicles by 2030 also risks handing Chinese manufacturers an opening, according to Daniela Costa, Goldman Sachs’ head of European capital goods research. — Sam Forsdick, Fortune, 16 Sep. 2026

The vessel's heavy-duty hybrid architecture has been developed by Finland's technology pioneer Wärtsilä. — New Atlas, 16 Sep. 2026

Travelers tend to walk everywhere in Europe, so heavy-duty jeans like Wranglers or bulky Levi’s won’t cut it. — Katie Jackson, Travel + Leisure, 16 Sep. 2026

Such gigs typically go to stand-ups or, at least, comic actors, but despite being known for her tenure on a heavy-duty cop drama, some of Hargitay’s earliest training was in comedy. — Jon Blistein, Rolling Stone, 15 Sep. 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