HEAVYDUTY Synonyms: 130 Similar and Opposite Words

heavy-duty

adjective

ˈhe-vē-ˈdü-tē

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 Cool blue-white LEDs lined the room’s windows, while yellow heavy-duty power outlets hung from the ceiling over rows of desks where students will learn how to maintain the servers whirring behind them. —

Mirtha Donastorg, AJC.com, 26 May 2026 New York law also bans idling specifically for heavy-duty diesel trucks and buses. —

Amethyst Martinez, USA Today, 26 May 2026 The capsule launched atop NASA's SLS (Space Launch System) rocket, a heavy-duty launch vehicle designed for missions just like this that propel humans to the moon. —

Chelsea Gohd, Space.com, 26 May 2026 Also, use heavy-duty, lockable lids on outdoor bins. —

Nafeesah Allen, Better Homes & Gardens, 26 May 2026 See All Example Sentences for heavy-duty

Recent Examples of Synonyms for heavy-duty

Adjective

For Paul, dragging long sheets of metal was intensive.

— Tabitha Parent, PEOPLE, 29 May 2026
Distillation is a process in which a small, less resource-intensive model learns to mimic a large, expensive one.

— ArsTechnica, ArsTechnica, 28 May 2026