heavy-duty

adjective
heavy-du·​ty | \ˈhe-vē-ˈdü-tē, -ˈdyü-\

Definition of heavy-duty 

1 : able or designed to withstand unusual strain heavy-duty trucks

2 : intensive heavy-duty bargaining

3 : important, prominent heavy-duty lawyers

First Known Use of heavy-duty

1914, in the meaning defined at sense 1

Keep scrolling for more

Learn More about heavy-duty

Share heavy-duty

Statistics for heavy-duty

Look-up Popularity

Time Traveler for heavy-duty

The first known use of heavy-duty was in 1914

See more words from the same year

Keep scrolling for more

More Definitions for heavy-duty

heavy-duty

adjective

English Language Learners Definition of heavy-duty

: designed to do difficult work without breaking

: very intense or serious

Keep scrolling for more

More from Merriam-Webster on heavy-duty

Rhyming Dictionary: Words that rhyme with heavy-duty

Thesaurus: All synonyms and antonyms for heavy-duty

Spanish Central: Translation of heavy-duty

Comments on heavy-duty

What made you want to look up heavy-duty? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

amusing and light sparring with words

Get Word of the Day daily email!

Test Your Vocabulary

Late Autumn 2018 Words of the Day Quiz

  • frosted-autumn-leaves
  • Which is a synonym of yahoo?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Bee Cubed

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!