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 That figure excludes its largest heavy-duty trucks, which are classified differently. — Michael Wayland, CNBC, 2 Oct. 2026 Rather than forcing you to adapt to a permanently stitched grid of elastic loops, the M3 utilizes heavy-duty, modular pages. — New Atlas, 29 Sep. 2026 Other suitable options include heavy-duty plastic containers with locking lids or food-grade buckets with gamma seal lids. — Madeline Buiano, Martha Stewart, 27 Sep. 2026 The heavy-duty 600-denier Oxford fabric is thick enough to hold in heat on chilly nights, keeping campers warm in the fall and winter. — Olivia Young, Travel + Leisure, 27 Sep. 2026 See All Example Sentences for heavy-duty

Recent Examples of Synonyms for heavy-duty

Adjective

The Reaveys spent Callum’s early years performing their own intensive physical and speech therapies with him, determined their son would roll over, crawl, and learn to say his name.

— Deepa Fernandes, STAT, 8 Oct. 2026
These are intensive oral sessions with examiners that are designed to test quick problem-solving and reveal knowledge depth.

— Reynald Fasciaux, Fortune, 8 Oct. 2026

Definition of intensive

Adjective

Hastert was aware of the personal pitfalls of holding the powerful position.

— Arkansas Online, Arkansas Online, 6 Oct. 2026
With the Heat’s offense often spacing all five players around the three-point line, Antetokounmpo will have plenty of room to operate as one of the most powerful drivers in the NBA.

— Anthony Chiang, Miami Herald, 5 Oct. 2026

Definition of powerful

Adjective

Through it all, Pi-o and Jeong-yo’s intense, often tender relationship serves as a throughline, bringing many viewers to question if the Netflix series qualifies as a boys’ love (aka BL) drama.

— Kayti Burt, Time, 6 Oct. 2026
The Castle of Oia is also lovely—though the sunset-seeking crowds can be intense.

— Condé Nast, Condé Nast Traveler, 6 Oct. 2026

Definition of intense

Adjective

Medellín is also home to influential streetwear brands inspired by the city’s reggaeton culture.

— Nikkita Nair, Condé Nast Traveler, 7 Oct. 2026
Anarchism was unequivocally a powerful organizing force in Italian communities and an influential force in labor politics.

— Ed Simon, JSTOR Daily, 7 Oct. 2026

Definition of influential

Adjective

Researchers have developed a paper-thin foot membrane that lets crawling microrobots harvest electricity directly from the ground beneath them, ditching heavy onboard batteries by turning metal and silicon surfaces into an active power source.

— New Atlas, New Atlas, 8 Oct. 2026
That means its worst wind, heavy rain, storm surge and tornado threats will be along and to the east of where its center tracks.

— Briana Waxman, CNN Money, 7 Oct. 2026

Definition of heavy

Adjective

In addition, surprise guests — look out for a festival favorite that won a significant award at Cannes — are likely to be in the mix.

— Damon Wise, Deadline, 10 Oct. 2026
That sense of community is also central to producer Chris Ferguson, whose Oddfellows banner has become a significant force in Vancouver’s independent film scene.

— Katherine Brodsky, Variety, 9 Oct. 2026

Definition of significant

Adjective

The rare show of alignment among fierce rivals was soon countered by comments from Meta’s Zuckerberg and Nvidia’s Jensen Huang, both of whom dismissed the slowdown idea.

— Alyson Shontell, Fortune, 5 Oct. 2026
The book and series focus on the complicated romance of Canadian hockey prodigy Shane Hollander (Hudson Williams) and Russian phenom Ilya Rozanov (Connor Storrie), who are the fierce on-ice rivals and the league’s best players.

— Nicole Fell, HollywoodReporter, 4 Oct. 2026

Definition of fierce

Adjective

All manner of contemporary art is shown here, with a collection over 200,000 pieces strong, ranging from Diane Arbus and Cindy Sherman photographs to paintings from Francis Bacon and Sol LeWitt sculptures.

— Condé Nast, Condé Nast Traveler, 10 Oct. 2026
Rather than a sudden surge, the new estimate shows the population has always been strong, thriving, and secure.

— Mrigakshi Dixit, Interesting Engineering, 10 Oct. 2026

Definition of strong

Browse Nearby Words

heavy

heavy-duty

heavy-footed

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Cite this Entry

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“Heavy-duty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heavy-duty. Accessed 11 Oct. 2026.

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Synonyms of heavy-duty

adjective

Example Sentences

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