Synonym Chooser

How does the adjective lethal differ from other similar words?

Some common synonyms of lethal are deadly, fatal, and mortal. While all these words mean "causing or capable of causing death," lethal applies to something that is bound to cause death or exists for the destruction of life.

lethal gas

When is deadly a more appropriate choice than lethal?

The words deadly and lethal can be used in similar contexts, but deadly applies to an established or very likely cause of death.

a deadly disease

When could fatal be used to replace lethal?

Although the words fatal and lethal have much in common, fatal stresses the inevitability of what has in fact resulted in death or destruction.

fatal consequences

When might mortal be a better fit than lethal?

While in some cases nearly identical to lethal, 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 lethal Maduro’s own explanation for this decline portrays the government as handily controlling criminals by means of incredibly lethal police raids carried out between 2015 and 2019. Rebecca Hanson, The Conversation, 24 Feb. 2025 Ford, 64, is set to be executed by lethal injection after being on death row for more than two decades for the 1997 murders of Gregory and Kimberly Malnory, who were in their mid-20s. Fernando Cervantes Jr., USA TODAY, 14 Feb. 2025 Richard Tabler shared his final words before he was executed by lethal injection in Texas on Thursday. Josh Hammer, Newsweek, 14 Feb. 2025 As part of this, Europe must provide the overwhelming share of future lethal and nonlethal aid to Ukraine. Not unreasonable, although, in fact, Europe has provided almost as much military aid to Ukraine as has the United States, and more humanitarian aid. Eliot A. Cohen, The Atlantic, 13 Feb. 2025 See All Example Sentences for lethal
Recent Examples of Synonyms for lethal
Adjective
  • Related article Inside the perfect storm of the deadly measles outbreak in Texas Also Friday, the New Mexico Department of Health reported 30 measles cases in Lea County, 20 more than had previously been identified in the state.
    Neha Mukherjee, CNN, 7 Mar. 2025
  • An all-too-common dispute between roommates turned deadly when a man suspected his privacy had been violated in a Nashville home, according to police in Tennessee.
    Mark Price, Miami Herald, 7 Mar. 2025
Adjective
  • However, this condition raises your risk of esophageal cancer, which can be fatal.
    Mark Gurarie, Health, 7 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
Adjective
  • Until this cycle of indoctrination of this poisonous hatred is stopped, there’s no chance in hell for real peace for the Middle East.
    David Draiman, The Hollywood Reporter, 8 Mar. 2025
  • Now, finally, there’s an antidote to this poisonous narrative: Apple Cider Vinegar, a new Netflix miniseries that inverts the traditional tropes with empathy and honesty.
    Alan Levinovitz, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 28 Feb. 2025

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Cite this Entry

“Lethal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lethal. Accessed 12 Mar. 2025.

More from Merriam-Webster on lethal

Last Updated: - Updated example sentences
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