weightier; weightiest
1
a
: of much importance or consequence : momentous
a weighty problem
b
: solemn
2
a
: weighing a considerable amount
b
: heavy in proportion to its bulk
weighty metal
3
: powerful, telling
weighty arguments
weightily adverb
weightiness noun
Choose the Right Synonym for weighty

heavy, weighty, ponderous, cumbrous, cumbersome mean having great weight.

heavy implies that something has greater density or thickness than the average of its kind or class.

a heavy child for his age

weighty suggests having actual and not just relative weight.

a load of weighty boxes

ponderous implies having great weight because of size and massiveness with resulting great inertia.

ponderous elephants in a circus parade

cumbrous and cumbersome imply heaviness and bulkiness that make for difficulty in grasping, moving, carrying, or manipulating.

wrestled with the cumbrous furniture
early cameras were cumbersome and inconvenient

Examples of weighty in a Sentence

She grabbed a weighty book off the shelf. The film deals with some weighty issues. Those are weighty arguments in your favor. He was a weighty figure in the art world.
Recent Examples on the Web
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.
The development of computers and eventually, artificial intelligence, has given a massive push to language translation, taking it out of the hands of specialists or weighty books and into our phones. Joshua Rapp Learn, Discover Magazine, 23 Jan. 2025 Such a feat was a monumental victory, given The Last Showgirl's smaller profile (Roadside Attractions isn't the industry's weightiest distributor) and the SAG nominating committee's wide-spanning pool of balloters hailing from all corners (and demographics) of the acting sector. Joey Nolfi, EW.com, 22 Jan. 2025 The use of diecast throughout means the figure is suitably weighty and strong enough to handle its wide-range of articulated motion. Ollie Barder, Forbes, 14 Jan. 2025 Since its beginnings in 1884, Breitling has built a weighty legacy of timekeepers crafted for the skies. Cait Bazemore, Robb Report, 8 Jan. 2025 See all Example Sentences for weighty 

Word History

First Known Use

15th century, in the meaning defined at sense 1a

Time Traveler
The first known use of weighty was in the 15th century

Dictionary Entries Near weighty

Cite this Entry

“Weighty.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/weighty. Accessed 2 Feb. 2025.

Kids Definition

weighty

adjective
weightier; weightiest
1
: having much weight : heavy
2
a
: of much importance : serious
weighty problems
b
: showing seriousness : solemn
a weighty expression on her face
3
: having the power to influence or persuade
weighty arguments
weightily adverb
weightiness noun

More from Merriam-Webster on weighty

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!