HEAVYDUTY Synonyms: 130 Similar and Opposite Words

heavy-duty

adjective

ˈhe-vē-ˈdü-tē

Definition of heavy-duty

as in intensive

extreme in degree, power, or effect some heavy-duty lobbying on the part of the president was necessary in order to get the bill passed

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in powerful

having great power or influence a group of heavy-duty politicians and other notables attended the gala

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of heavy-duty Unsurprisingly, heavy-duty trucks and muscle cars dominate the top of this list. — Adam Ismail, The Drive, 30 July 2026 Two months later, the quarterback flexed a heavy-duty leg brace while practicing with the Chiefs for the first time since surgery. — Skyler Caruso, PEOPLE, 29 July 2026 The Lidax Ultra 3000 is an all-wheel-drive mower that uses two heavy-duty, treaded wheels on each side of the rear and two omni wheels on each side up front. — John R. Delaney, PC Magazine, 28 July 2026 The Miraclean waffle-weave microfiber towels are built for heavy-duty cleaning, tackling everything from kitchen counters to bathroom mirrors without leaving behind lint or streaks. — Sarah Scott, Southern Living, 28 July 2026 See All Example Sentences for heavy-duty

Recent Examples of Synonyms for heavy-duty

Adjective

Both these ingredients are extremely energy intensive, raising concerns about energy demands if they are scaled in their current forms.

— Ameya Paleja, Interesting Engineering, 6 Aug. 2026
Companies are exploring off-planet storage, cloud-like computing, AI processing, data sovereignty and potentially power-intensive workloads in orbit.

— Ben Topor, Forbes.com, 6 Aug. 2026

Definition of intensive

Adjective

So the Armani Beauty team took the time to build a present, long-lasting, powerful scent.

— Jennifer Weil, Footwear News, 6 Aug. 2026
This formula is light as a feather and hydrating, sort of like a hyaluronic acid serum that’s powerful yet quick to sink into the skin.

— Reece Andavolgyi, InStyle, 6 Aug. 2026

Definition of powerful

Adjective

An unusually intense El Niño event is gathering strength in the tropical Pacific in a hurry.

— Andrew Freedman, CNN Money, 4 Aug. 2026
Thousands of Offers Nazareth University, located near Rochester, New York, is using direct admissions in part to reach those outside of the state where competition for students is particularly intense.

— Bloomberg, Mercury News, 4 Aug. 2026

Definition of intense

Adjective

Another throughline for popular progressive candidates is the backing of Hasan Piker, who has become one of the most influential voices in the current wave of democratic socialist victories.

— Mikayla Price, CBS News, 5 Aug. 2026
Graves, who chairs the influential House Transportation and Infrastructure Committee, has been hailed for bringing money back to Kansas City and his district, but also faced criticism for being unavailable to constituents.

— Kacen Bayless, Kansas City Star, 5 Aug. 2026

Definition of influential

Adjective

Viridi stated that the partnership represents a significant step in its mission to bring safe, reliable battery energy storage to the infrastructure applications that matter most, from grid modernization research to real-world utility deployment.

— Maria Mocerino, Interesting Engineering, 3 Aug. 2026
The Braves have made a second significant deal ahead of Monday’s trade deadline.

— Chad Bishop, AJC.com, 3 Aug. 2026

Definition of significant

Adjective

Management tried to modernize a restaurant brand built around nostalgia, underestimated how strongly customers identified with its image, and eventually reversed the change after a fierce backlash.

— Jim Osman, Forbes.com, 2 Aug. 2026
The jostling grew particularly fierce between South Carolina and Nevada.

— Los Angeles Times, Los Angeles Times, 2 Aug. 2026

Definition of fierce

Adjective

Sustained high performance by firms that treat customer value as primary remains the strongest empirical rebuttal.

— Steve Denning, Forbes.com, 3 Aug. 2026
Second baseman Amira Hondras, coming off a strong women’s baseball World Cup debut last week, tied the game in the at-bat prior with a single up the middle to set up Villareal’s heroics.

— Marisa Ingemi, Los Angeles Times, 2 Aug. 2026

Definition of strong

Browse Nearby Words

heavy

heavy-duty

heavy-footed

See all Nearby Words

Cite this Entry

Style

“Heavy-duty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heavy-duty. Accessed 9 Aug. 2026.

Copy Citation

Synonyms of heavy-duty

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

anecdote

Popular in Grammar & Usage

7 Pairs of Commonly Confused Words

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?

Popular in Wordplay

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Aug. 7

How long is a jiffy?

Popular

7 Pairs of Commonly Confused Words

The Longest Long Words List

It's a Scorcher! Words for the Summer Heat

Games & Quizzes