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 Experts say to avoid washing darks with linty fabrics, overdoing the detergent and using the heavy-duty wash cycle, among other tips. — Jolie Kerr, Washington Post, 26 Sep. 2026 Pro runs on an Intel Core Ultra 7 Series 3 processor, which is tailored for heavy-duty productivity sessions, AI taskloads, and even some smooth gaming moments. — Kelsey Fogarty, PC Magazine, 25 Sep. 2026 Don’t use heavy-duty scouring pads or steel scrubbers when washing knives. — Brandee Gruener, Southern Living, 25 Sep. 2026 To treat stubborn buildup on backsplashes, use a baking soda paste or a heavy-duty degreaser with a non-scratch scrub sponge to lift the sticky grease layer. — Jolie Kerr, Better Homes & Gardens, 23 Sep. 2026 See All Example Sentences for heavy-duty

Recent Examples of Synonyms for heavy-duty

Adjective

The process needed to refine diesel is more intensive, however.

— Adam Kovac, Scientific American, 24 Sep. 2026
Currently, more intensive solutions like a replacement are likely better for people at more advanced stages.

— Helen Carefoot, Flow Space, 24 Sep. 2026

Definition of intensive

Adjective

Musk's showpiece rocket -- the biggest and most powerful ever built -- carried 26 of the latest Starlinks to join the 11,000 older models already providing internet service.

— Arkansas Online, Arkansas Online, 29 Sep. 2026
The Southeastern Conference and the Big Ten, two of the most powerful college sports conferences, initially opposed the bill, but later voiced support after negotiations with lawmakers.

— Lauren Green, The Washington Examiner, 29 Sep. 2026

Definition of powerful

Adjective

The coalition led by Prime Minister Pedro Sánchez's Socialists announced the new measures earlier Tuesday, after four days of intense protests centered around an encampment in Puerta del Sol, Madrid's most iconic plaza.

— Arkansas Online, Arkansas Online, 30 Sep. 2026
Consequently, the resulting economic stimulus, inflationary pressure, and intense competition for capital could propel the 10 year US Treasury yield toward a high of 6% before next January.

— , CNBC, 29 Sep. 2026

Definition of intense

Adjective

Rice, a Brit who was influential in the success of Severance and The Night Manager, will become Chapter One’s non-executive chairman.

— Jake Kanter, Deadline, 23 Sep. 2026
Word-of-mouth recommendations and private online communities are becoming increasingly influential in shaping what consumers buy, often carrying more weight than traditional influencer posts for buyers.

— Expert Panel®, Forbes.com, 22 Sep. 2026

Definition of influential

Adjective

While the ceasefire halted the heaviest fighting and humanitarian conditions have improved, the Israeli military has expanded its control of Gaza and now occupies some 60% of the territory.

— Arkansas Online, Arkansas Online, 24 Sep. 2026
The companies are working to bring advanced Integral Molten Salt Reactor technology to heavy industrial facilities and fast-growing artificial intelligence data centers.

— Aman Tripathi, Interesting Engineering, 23 Sep. 2026

Definition of heavy

Adjective

Repeating that process places significant stress on components, increasing operational and capital costs due to the risk of failure, maintenance requirements and downtime.

— Prabhat Ranjan Mishra, Interesting Engineering, 26 Sep. 2026
On a longer flight, having some additional neck support can make a significant difference.

— Julie Rousseau, Travel + Leisure, 26 Sep. 2026

Definition of significant

Adjective

Economists expect Beijing to lean harder on stimulus to stabilize corporate profitability, as consolidation accelerates in sectors already facing sluggish demand, fierce competition and cutthroat price wars.

— Anniek Bao, CNBC, 28 Sep. 2026
There has been fierce fighting on Yemen's Red Sea coast as government forces attempt to reverse recent Houthi advances.

— Arkansas Online, Arkansas Online, 28 Sep. 2026

Definition of fierce

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 30 Sep. 2026.

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Synonyms of heavy-duty

adjective

Example Sentences

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