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 Juvey Mejia, a member of the Task Force for Regional Auto Theft Prevention, said the cartels love heavy-duty pickup trucks and Jeeps. — Steve Fisher special Correspondent follow, Los Angeles Times, 11 Oct. 2026 And for companies with heavy-duty computing needs, Oracle's new route might be more attractive than building whole data centers. — Jordan Novet, CNBC, 10 Oct. 2026 The heavy-duty double-wall carton and dense foam inserts held the power station securely in place. — Michael Lydick, PC Magazine, 9 Oct. 2026 Harbinger described the order as one of the largest binding orders for electric medium- or heavy-duty trucks to date. — Glenn Taylor, Footwear News, 6 Oct. 2026 See All Example Sentences for heavy-duty

Recent Examples of Synonyms for heavy-duty

Adjective

Atrium is also offering day hospital programs in which patients receive intensive treatment and return home at night.

— Charlotte Observer, Charlotte Observer, 15 Oct. 2026
Because schools would otherwise use that money to buy equipment, the proposal would most affect two-year technical schools with equipment-intensive programs like welding or automotive programs.

— CBS News, CBS News, 14 Oct. 2026

Definition of intensive

Adjective

Pacific Fusion also aims to create a fusion reaction an order of magnitude more powerful than those at the national lab facilities.

— Sarah Scoles, Scientific American, 20 Oct. 2026
Zuckerberg and Wang want Muse Wonder and the more powerful Muse Wonder Full to drive Muse, Meta’s personal AI agent, which can act on people’s behalf.

— Molly A. Wallace, Fortune, 20 Oct. 2026

Definition of powerful

Adjective

George Bonanno, a psychologist at Columbia University, explains that many people who have intense symptoms initially—such as nightmares and flashbacks—won’t develop PTSD.

— Maia Szalavitz, Scientific American, 20 Oct. 2026
Still, the competition among jewelers is becoming more intense, not only for sports team’s commissions but also to design ever flashier pieces with intricate details.

— Sara Germano, Sportico.com, 20 Oct. 2026

Definition of intense

Adjective

William Perkins, an influential proponent of witch fever in late sixteenth-century England, notes that any miraculous power a witch or her objects appears to have is merely borrowed from Satan.

— Literary Hub, Literary Hub, 14 Oct. 2026
The federal government is planning to dramatically shrink its most influential health survey, and some researchers worry that the changes will underestimate how many Americans are disabled.

— ABC News, ABC News, 14 Oct. 2026

Definition of influential

Adjective

The conversations remained cordial, despite vehement disagreements at times, with Talarico and the voters engaging in polite small talk before delving into, at times, heavy topics.

— Lauren Green, The Washington Examiner, 15 Oct. 2026
The mayor before that, Bill de Blasio, had pledged to eliminate the rides on day one of his administration but abandoned the crusade after heavy opposition from unions and a media blitz involving actor Liam Neeson.

— Anthony Izaguirre, Los Angeles Times, 14 Oct. 2026

Definition of heavy

Adjective

Sullivan and Peltola have already faced off this year, but Thursday's debate was widely seen as the most significant for the general electorate.

— Matthew Choi The Washington Post, Arkansas Online, 17 Oct. 2026
That reality makes the latest Carrera T more significant than its understated badge might suggest.

— Bradley Iger, Robb Report, 16 Oct. 2026

Definition of significant

Adjective

His successor, Bennett, had been among its fiercest critics, raising the prospect that the arrangement might finally end.

— Eric Cortellessa, Time, 18 Oct. 2026
The deadly fire erupted Saturday at Canadian Forces Base Wainwright, where fierce winds fueled flames that spread beyond the installation and into surrounding rural areas.

— Stephen Sorace, FOXNews.com, 18 Oct. 2026

Definition of fierce

Adjective

But zest was one of just two strengths (the other is hope) that had the strongest relationship to mental well-being across countries and age groups.

— Joan M. Cook, Time, 17 Oct. 2026
However, some safety advocates and Senator Maria Cantwell want a stronger federal review process.

— Aamir Khollam, Interesting Engineering, 17 Oct. 2026

Definition of strong

Browse Nearby Words

heavy

heavy-duty

heavy-footed

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“Heavy-duty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heavy-duty. Accessed 22 Oct. 2026.

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Synonyms of heavy-duty

adjective

Example Sentences

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