HEAVY-DUTY 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 Propaganda posters from the era from both the democratic United States and the Axis powers surround the imposing, heavy-duty boots, covered in animal hair and insulation. — Douglas Markowitz, Miami Herald, 14 July 2026 Place the racks in a large, heavy-duty black plastic trash bag and spray them liberally with undiluted vinegar. — Mary Marlowe Leverette, The Spruce, 11 July 2026 The Environmental Protection Agency on Thursday proposed rolling back emission standards for new heavy-duty trucks, including buses, garbage trucks and semis. — Bloomberg, Oc Register, 9 July 2026 Fortunately for Ram, the company was still building some Hemis to supply its heavy-duty truck line, so bringing production back online was more a matter of scaling back up than rebuilding the whole thing from scratch. — Byron Hurd, The Drive, 9 July 2026 See All Example Sentences for heavy-duty

Recent Examples of Synonyms for heavy-duty

Adjective

Yet the end goal of this liberation movement appears to be a more intense brand of intensive parenting.

— Jessica Winter, New Yorker, 16 July 2026
Rising costs across the produce supply chain Growing everything from strawberries to collard greens is labor intensive, and for many years, worker shortages have compelled farms to hike wages.

— Elizabeth Canales, The Conversation, 16 July 2026

Definition of intensive

Adjective

While Maduro and Flores have awaited trial in a federal detention facility in Brooklyn, their home country has been grappling with a humanitarian disaster following a pair of powerful back-to-back earthquakes in June, killing at least 5,278 people.

— Peter Charalambous, ABC News, 22 July 2026
Self-Monitoring May Improve Weight Management Weighing daily can be a powerful tool for building awareness of trends and for adjusting habits to improve overall health.

— Ashley Olivine, Verywell Health, 22 July 2026

Definition of powerful

Adjective

His plan, scheduled for a vote at the Beach commission on Wednesday after two years of often-intense debate and revision, comes in the prosaic form of a technical zoning change.

— Andres Viglucci, Miami Herald, 22 July 2026
Criticism from the political left was, predictably, swift and intense.

— Ian Miller OutKick, FOXNews.com, 22 July 2026

Definition of intense

Adjective

In March, at a town hall meeting hosted by the Washington Avenue Business Improvement District, some influential Beach figures sharply questioned whether the zoning benefits would be sufficiently generous to lure developers.

— Andres Viglucci, Miami Herald, 22 July 2026
Vinod is now widely regarded as one of the most influential innovators and investors in Silicon Valley.

— Nicki Jhabvala, New York Times, 22 July 2026

Definition of influential

Adjective

About a year’s worth of rain has already fallen in southern Texas and while water levels have receded in some areas, officials urge residents to remain vigilant while heavy showers continue in areas already inundated by torrential rain.

— Dalia Faheid, CNN Money, 17 July 2026
The sisters’ collective upper limb development also suggests high-intensity, repetitive actions like holding a heavy weapon or pulling a bowstring.

— Andrew Paul, Popular Science, 17 July 2026

Definition of heavy

Adjective

Burnham’s faith is significant given the centuries of legislation and convention that effectively prevented Catholics from becoming prime minister.

— Hanna Ziady, CNN Money, 20 July 2026
While Kyiv has made significant progress since 2022 in defending itself against Russian missile and drone attacks, the country remains extremely vulnerable to ballistic missile strikes.

— Ihor N. Stelmach, Hartford Courant, 19 July 2026

Definition of significant

Adjective

Both yachts will provide fierce competition against Svea, owned by Swedish entrepreneur Niklas Zennström, when the trio meet at Les Voiles de Saint-Tropez in late September.

— Chrissie McClatchie, Robb Report, 18 July 2026
Argentina's greatest strengths lie in their infectious unity and fierce mentality.

— Jibin Joseph, PC Magazine, 18 July 2026

Definition of fierce

Adjective

After a strong start to the tournament, the reigning champions teetered on the brink of elimination throughout the knockout stage, trailing Egypt and England until the closing stages, needing extra time to overcome Cape Verde and Switzerland.

— Oliver Kay, New York Times, 20 July 2026
The incoming prime minister grew up in the northwest of England, a part of the country where the Catholic Church has traditionally had a strong presence, and his outlook has been shaped by Catholic teaching.

— Hanna Ziady, CNN Money, 20 July 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 24 Jul. 2026.

Copy Citation

Synonyms of heavy-duty

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

itinerant

Popular in Grammar & Usage

Democracy or Republic: What's the difference?

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

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

The Words of the Week - Jul 24

Why do we say 'fly off the handle'?

Popular

Democracy or Republic: What's the difference?

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Games & Quizzes