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Synonyms

weighty

American  
[wey-tee] / ˈweɪ ti /

adjective

weightier, weightiest
  1. having considerable weight; heavy; ponderous.

    a weighty bundle.

    Antonyms:
    light
  2. burdensome or troublesome.

    the weightier cares of sovereignty.

  3. important or momentous.

    weighty negotiations.

    Synonyms:
    consequential, grave, serious, significant
    Antonyms:
    unimportant, light
  4. having or exerting influence, power, etc.; influential.

    a weighty merchant of Boston.


weighty British  
/ ˈweɪtɪ /

adjective

  1. having great weight

  2. important or momentous

  3. causing anxiety or worry

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See heavy.

Other Word Forms

Etymology

Origin of weighty

First recorded in 1480–90; see origin at weight, -y 1

Explanation

Weighty things are either very heavy or extremely important and worrisome. Putting your weighty cat on a diet might be a weighty issue that nags at you. If your luggage is too weighty, you'll have to pay an extra fee at the airport. And if you've got a mind full of weighty problems, you won't be able to fall asleep on your long flight. Sometimes this adjective is also used to mean "influential," like the weighty influence your SAT scores might have on your chances of being accepted at a competitive college.

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Vocabulary lists containing weighty

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Weighty subjects too and the reason why “Gibbon” was initially envisioned as a more lighthearted palate cleanser.

From Los Angeles Times • Jun. 10, 2022

Weighty terms like “identity,” “history,” “gender,” and “race” are often trotted out to discuss Simpson’s work—and often they have the effect of distancing us from the formal mysteries and atmospheric eeriness of the work.

From The New Yorker • May 14, 2019

Weighty and climactic, “Rite” often closes programs for a reason.

From New York Times • Oct. 28, 2018

Weighty cotton tees riff on the Breton look by twinning the stripes, while updated fits and pop-pastel colors add flavor to classics.

From The Wall Street Journal • Apr. 26, 2018

"Weighty is my grief and pain," said To'oto'o, "but what your Highness asks of me is impossible!"

From Wild Justice: Stories of the South Seas by Osbourne, Lloyd