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Synonyms

grievous

American  
[gree-vuhs] / ˈgri vəs /

adjective

  1. causing grief or great sorrow.

    grievous news.

    Synonyms:
    painful, sorrowful, sad, tragic, heartbreaking
    Antonyms:
    delightful
  2. full of or expressing grief; sorrowful.

    a grievous cry.

  3. characterized by great pain or suffering; severe.

    grievous bodily harm;

    a grievous injury.

  4. having serious effects; grave.

    a grievous mistake;

    grievous faults.

  5. extremely or shockingly wicked, cruel, brutal, etc.; atrocious.

    a grievous offense against morality;

    grievous crimes.

    Synonyms:
    critical, acute, onerous, harsh, brutal, heinous, appalling
  6. burdensome; oppressive.

    to incur grievous expenses.


grievous British  
/ ˈɡriːvəs /

adjective

  1. very severe or painful

    a grievous injury

  2. very serious; heinous

    a grievous sin

  3. showing or marked by grief

    a grievous cry

  4. causing great pain or suffering

    a grievous attack

"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

Other Word Forms

Etymology

Origin of grievous

First recorded in 1250–1300; Middle English grevous, from Old French grevo(u)s; see grieve, -ous

Explanation

If something is called grievous, you better take it seriously. Grievous is used to describe horrible things like tragedies or crimes. If you have a grievous wound, a band aid simply won't do. Grievous is derived from the noun grief, which means "sadness." When something is grievous, therefore, it's not just bad, but so bad that it causes unusually intense shock or sadness. It's often used to describe crimes and other bad deeds that go beyond mere criminality and into the world of cruelty. For example, it's harmful to steal from someone; it's grievous to steal from them and then, having stolen their stuff, beat them up or kill them.

Keep Reading on Vocabulary.com

Vocabulary lists containing grievous

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.

See Examples For:

When I was on “Falling Skies” and played the grievous loss of a spouse, people reached out to me.

From Los Angeles Times Aug. 6, 2026

In addition to winning him the hand of Desdemona, they have left an invisible scar behind, a grievous case of post-traumatic stress disorder.

From The Wall Street Journal Jul. 9, 2026

In addition to the death of her mother, Barbour claims her husband also suffered severe and grievous injuries as a result of the crash.

From BBC Jun. 24, 2026

And it delivers a blunt message, warning that this executive order would inflict a grievous, possibly lethal moral harm on the nation.

From Slate Feb. 27, 2026

“Okay, bye, Charlie,” Reynie said quickly, and Sticky gave a playful salute, but Charlie only stared at them with a distraught expression, as if they’d done him some grievous wrong.

From "The Mysterious Benedict Society" by Trenton Lee Stewart

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