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

However, a number of products are not covered, including medium- and heavy-duty trucks, which face a 25% tariff. —ABC News, 5 Mar. 2026

After placing the chicken between sheets of heavy-duty plastic wrap, use a meat mallet or rolling pin to help flatten the chicken to a uniform thickness. —Kimberly Holland, Southern Living, 5 Mar. 2026

Using Harmful Chemicals Many conventional cleaning products, ranging from bleach and ammonia to heavy-duty drain cleaners, effectively remove grime but can pose serious risks to pets. —Mary Cornetta, Better Homes & Gardens, 3 Mar. 2026

With three heavy-duty packing cubes, this is the perfect choice for business travelers or anyone who’s more likely to go on frequent short trips rather than occasional long trips. —Bestreviews, Chicago Tribune, 3 Mar. 2026

Word History

First Known Use

1914, in the meaning defined at sense 1

Rhymes for heavy-duty

• 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