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adverb

Synonym Chooser

How does the adjective deadly differ from other similar words?

Some common synonyms of deadly are fatal, lethal, and mortal. While all these words mean "causing or capable of causing death," deadly applies to an established or very likely cause of death.

a deadly disease

When would fatal be a good substitute for deadly?

In some situations, the words fatal and deadly are roughly equivalent. However, fatal stresses the inevitability of what has in fact resulted in death or destruction.

fatal consequences

When is lethal a more appropriate choice than deadly?

While in some cases nearly identical to deadly, lethal applies to something that is bound to cause death or exists for the destruction of life.

lethal gas

When could mortal be used to replace deadly?

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

a mortal wound

Examples 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 deadly
Adjective
All the McDonald's Items Taken Off the Menu — from Favorites to Failures McDonald's latest menu update comes after the Centers for Disease Control and Prevention (CDC) declared that a deadly E. coli outbreak traced back to ingredients in its Quarter Pounders was over. Brenton Blanchet, People.com, 5 Dec. 2024 The McDonald’s executive was also on the morning show to address the deadly E.Coli outbreak that was linked to onions used in McDonald’s Quarter Pounders. Rebecca Angel Baer, Southern Living, 5 Dec. 2024
Adverb
Guy does not take him seriously, but Bruno is deadly serious. Duante Beddingfield, Detroit Free Press, 25 Oct. 2024 Some seemed deadly dull, repetitive, or irrelevant. Steven Levy, WIRED, 4 Oct. 2024 See all Example Sentences for deadly 
Recent Examples of Synonyms for deadly
Adjective
  • Underwood, 44, is scheduled to be killed by lethal injection at the Oklahoma State Penitentiary in McAlester on December 19.
    Jenna Sundel, Newsweek, 9 Dec. 2024
  • The state allows prisoners to choose their preferred method of execution: lethal injection or gas chamber.
    Annabella Rosciglione, Washington Examiner - Political News and Conservative Analysis About Congress, the President, and the Federal Government, 6 Dec. 2024
Adjective
  • Director Herbert Ross subverted Potter’s cynicism by emphasizing the life force and sheer talent of the American showbiz tradition and then connected it to visionary creativity as diverse as Edward Hopper and Bertolt Brecht.
    Armond White, National Review, 29 Nov. 2024
  • Grab blackout shades or sheer curtains that still offer natural light exposure from Wayfair Basics and AllModern.
    Megan Schaltegger, People.com, 29 Nov. 2024
Adjective
  • Domantas Sabonis, Sacramento Kings C: More than 24.5 Points + Assists Sabonis is a mortal lock for a double-double each night, but that's usually with points and rebounds.
    Thomas G. Moukawsher, Newsweek, 6 Nov. 2024
  • Rogers was just the latest artist to pay homage to Payne, who died following a fall from the third-floor balcony of his hotel in Buenos Aires, Argentina, on Wednesday, sustaining multiple, mortal injuries.
    Gil Kaufman, Billboard, 18 Oct. 2024
Adverb
  • Still, if the risks of loss of secret data may be extremely destructive (like the military), not linking your network to the Internet might work better for you.
    Zain Jaffer, Forbes, 3 Dec. 2024
  • This liquid is extremely lightweight yet carries its weight, smoothing and plumping skin all the while.
    Sarah Han, Allure, 2 Dec. 2024
Adjective
  • This week’s fatal shooting of UnitedHealthcare Chief Executive Brian Thompson has unleashed a wave of public feeling — exasperation, anger, resentment, helplessness — from Americans sharing personal stories of interactions with insurance companies, often seen as faceless corporate giants.
    Tom Murphy and Devi Shastri, Los Angeles Times, 7 Dec. 2024
  • According to Kenny, the gunman was finally seen entering a cab that dropped him off near the George Washington Bridge Bus Terminal at 178th St and Broadway — his last known location — around 7:30 a.m., just 45 minutes after the fatal shooting.
    Thomas Tracy, New York Daily News, 7 Dec. 2024
Adjective
  • President Joe Biden’s full and unconditional pardon of his son, Hunter Biden, did not warrant front page coverage.
    Reader Commentary, Baltimore Sun, 4 Dec. 2024
  • In June, Hunter Biden was found guilty of three felony charges, but he has now been granted a full and unconditional pardon by his father, covering all potential offenses committed from January 1, 2014, to December 1, 2024.
    Josh Hammer, Newsweek, 3 Dec. 2024
Adjective
  • Torres was found dead on the morning of Feb. 24, 2020, inside a suitcase in the couple's Winter Park apartment.
    KC Baker, People.com, 2 Dec. 2024
  • Two dogs believed to belong to the woman have since been found dead, too.
    Emily Mae Czachor, CBS News, 2 Dec. 2024
Adverb
  • The band worked incredibly hard during their first era, releasing a lot of music for a group of brothers during their decades together.
    Hugh McIntyre, Forbes, 9 Dec. 2024
  • The documentary highlights his global fame, something which has baffled Mackie, who comes across as incredibly grounded, despite his influence.
    Paul Du Quenoy, Newsweek, 9 Dec. 2024

Thesaurus Entries Near deadly

Cite this Entry

“Deadly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/deadly. Accessed 13 Dec. 2024.

More from Merriam-Webster on deadly

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