Synonym Chooser

How does the adjective fatal differ from other similar words?

Some common synonyms of fatal are deadly, lethal, and mortal. While all these words mean "causing or capable of causing death," fatal stresses the inevitability of what has in fact resulted in death or destruction.

fatal consequences

When is it sensible to use deadly instead of fatal?

While the synonyms deadly and fatal are close in meaning, deadly applies to an established or very likely cause of death.

a deadly disease

When would lethal be a good substitute for fatal?

The meanings of lethal and fatal largely overlap; however, lethal applies to something that is bound to cause death or exists for the destruction of life.

lethal gas

When might mortal be a better fit than fatal?

The synonyms mortal and fatal are sometimes interchangeable, but mortal implies that death has occurred or is inevitable.

a mortal wound

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 fatal The collision that killed Xiong was one of 32 fatal crashes The Sacramento Bee covered in 2024. Ariane Lange, Sacramento Bee, 17 Mar. 2025 The potentially fatal disease is transmitted through rodent feces. Gene Maddaus, Variety, 17 Mar. 2025 Read has pleaded not guilty and a trial on the charges of second-degree murder, manslaughter while operating a motor vehicle under the influence and leaving the scene of a fatal accident. Lance Reynolds, Boston Herald, 16 Mar. 2025 The sheriff's office said Tuesday that the company that provides natural gas service for the home made no significant findings after looking for gas leaks and carbon monoxide, the colorless, odorless gas that can be fatal by depriving people from getting enough oxygen. Alex Sundby, CBS News, 7 Mar. 2025 See All Example Sentences for fatal
Recent Examples of Synonyms for fatal
Adjective
  • No punishment for shooting a disastrous 24 percent from 3, the team’s worst perimeter performance since its 6-for-23 effort from deep against St. John’s on Feb. 23.
    Brendan Marks, The Athletic, 22 Mar. 2025
  • Or how about their disastrous appearance on I’m a Celebrity…Get Me Out of Here?
    EW Staff, EW.com, 20 Mar. 2025
Adjective
  • In Florida, death row inmates who choose lethal injection receive a three-drug cocktail consisting of a sedative, a paralytic and a heart-stopping drug, according to the Death Penalty Information Center.
    Elizabeth Pritchett, Fox News, 21 Mar. 2025
  • In Oklahoma, 56-year-old Wendell Grissom was declared dead by lethal injection at the penitentiary in McAlester at 10:13 a.m.
    arkansasonline.com, arkansasonline.com, 21 Mar. 2025
Adjective
  • The deadly weapon, prosecutors say, was Diaz's own bodily fluids.
    Chris Spargo, People.com, 20 Mar. 2025
  • The mothers connect to participate in public awareness campaigns, sharing their stories to warn young people and their families about fentanyl, the deadly drug often sold illicitly by dealers as prescription pills on social media accounts.
    Rosalio Ahumada, Sacramento Bee, 20 Mar. 2025
Adjective
  • With a 6-5 record in 11 games post-All Star Weekend (including 2-3 in their last five), Tom Thibodeau's Knicks have been in a bit of a rut that began before Brunson's unfortunate injury.
    Mark Davis, Newsweek, 15 Mar. 2025
  • Thankfully on one unfortunate visit Puligny had a town cooperative with plenty of wine to drink and a phone number for a man with a van to return us and our bicycles to our hotel in Beaune.
    Mike DeSimone and Jeff Jenssen, Robb Report, 14 Mar. 2025

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Cite this Entry

“Fatal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/fatal. Accessed 26 Mar. 2025.

More from Merriam-Webster on fatal

Last Updated: - Updated example sentences
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