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

Brushed brass is ideal for high-use, heavy-duty areas like kitchens, bathrooms, and laundry rooms, or minimalist spaces that beg for warmth sans shine. —Lauren Bengtson, Better Homes & Gardens, 25 Feb. 2026

It was paid $44,940 for a number of heavy-duty suitcases. —Brendan O'Connor, Curbed, 24 Feb. 2026

Antonia Noori Farzan Providence's snow removal efforts are also progressing slowly because heavy-duty equipment is in short supply, Mayor Brett Smiley said in a video posted on Tuesday. —Eryn Dion, The Providence Journal, 24 Feb. 2026

The tent walls are made from a waterproof 2000D Oxford fabric, while the side-popping top is crafted from heavy-duty weatherproof vinyl. —New Atlas, 20 Feb. 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