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

Creatives can check a large item off their wishlist for heavy-duty photo and video editing, plus other pros will enjoy plenty of space for data analysis, coding, and other multitasking projects. — K. Thor Jensen, PC Magazine, 26 June 2026

As usual, there’s a plethora of gross-out scenes, including a game of Twister for which the participants, clad in see-through plastic pants, have prepared by ingesting heavy-duty laxatives. — Frank Scheck, HollywoodReporter, 25 June 2026

Additional features include a grease management system to contain mess, foldable side shelves for extra prep space and a protective heavy-duty lid to keep your cooktop pristine. — The Home Depot, Forbes.com, 25 June 2026

For targeted watering around flower beds, containers, and hard-to-reach plants, this heavy-duty wand offers six different jet patterns with a rotating head. — Rebecca Jones, Southern Living, 24 June 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