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

Manufacturers can scale output efficiently as energy-intensive heating is eliminated and chemical waste is reduced.

— Mrigakshi Dixit, Interesting Engineering, 29 Oct. 2026
Manifesting intensive therapy and mandatory anger-management classes for Rob.

— Emma Sharpe, Vulture, 28 Oct. 2026

Definition of intensive

Adjective

Netanyahu, who has close ties with politically powerful ultra-Orthodox parties, has resisted attempts to end the exemptions.

— Josef Federman, Los Angeles Times, 26 Oct. 2026
And that includes his warning that TV news has been corrupted by the agendas of the powerful, wealthy billionaires who now control a large portion of the media.

— Michael Schneider, Variety, 26 Oct. 2026

Definition of powerful

Adjective

The influential group of Latino lawmakers, many of whom have immigrant or farmworker backgrounds, accounts for nearly a third of the Legislature.

— Sacbee.com, Sacbee.com, 28 Oct. 2026
An administration can understand this, but that doesn’t mean influential board members agree.

— Mac Engel October 28, Fort Worth Star-Telegram, 28 Oct. 2026

Definition of influential

Adjective

Summed up, this all provides the ship with significant firepower potential.

— Christopher McFadden, Interesting Engineering, 24 Oct. 2026
In July, the west-to-east ride across the state passed through a significant stretch of the northeastern Iowa district Mitchell hopes to represent.

— Washington Post, Washington Post, 24 Oct. 2026

Definition of significant

Adjective

Projects that communities had originally welcomed were suddenly met with fierce opposition, and companies had to improve.

— Neil Chatterjee, Fortune, 23 Oct. 2026
What is to come afterwards is when their world is on fire as the fierce Battle Of Okinawa Island takes them , and us, back to sad reality.

— Pete Hammond, Deadline, 23 Oct. 2026

Definition of fierce

Adjective

Policymakers recognized that American companies needed a stronger reason to invest in innovation.

— Rick Lazio, Fortune, 24 Oct. 2026
Meta Platforms, which is pushing its Muse AI agent, lost 7% after reporting stronger revenue for the latest quarter than analysts expected, though its profit fell short.

— Arkansas Online, Arkansas Online, 23 Oct. 2026

Definition of strong

Browse Nearby Words

heavy

heavy-duty

heavy-footed

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Cite this Entry

Style

“Heavy-duty.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/heavy-duty. Accessed 30 Oct. 2026.

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Synonyms of heavy-duty

adjective

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