delirious

adjective

de·​lir·​i·​ous di-ˈlir-ē-əs How to pronounce delirious (audio)
1
: of, relating to, or characteristic of delirium
delirious mutterings
2
: affected with or marked by delirium
delirious with fever
delirious fans
deliriously adverb
deliriousness noun

Examples of delirious in a Sentence

As the child's temperature went up, he became delirious and didn't know where he was. He was delirious with fever. a group of delirious fans celebrating the team's victory
Recent Examples on the Web
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.
Cue delirious scenes, as supporters hailed a striker whose time had seemed to be up in north Wales long ago. Richard Sutcliffe, New York Times, 13 Aug. 2025 The shark punch is one sight gag among many, and Lorenzo Semple Jr.'s daffy script makes room for a delirious double-crossing romance, with Lee Meriwether's Catwoman undercover as a Wayne-attracting Soviet. Devan Coggan, EW.com, 3 Aug. 2025 Two others, delirious from drinking seawater, slid into the ocean and were killed by sharks in front of Cavanagh and another crewmate. John Blake, CNN Money, 13 July 2025 For the past few days, though, the internet has been gripped with Monterrey wall fever, the kind of mass hysteria that can really only take hold during the long, delirious advance of a summer tournament. Jack Lang, New York Times, 22 June 2025 See All Example Sentences for delirious

Word History

Etymology

see delirium

First Known Use

1599, in the meaning defined at sense 1

Time Traveler
The first known use of delirious was in 1599

Browse Nearby Words

Cite this Entry

“Delirious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/delirious. Accessed 20 Aug. 2025.

Kids Definition

delirious

adjective
de·​lir·​i·​ous di-ˈlir-ē-əs How to pronounce delirious (audio)
1
: affected with, marked by, or characteristic of delirium
2
: wildly excited
delirious fans
deliriously adverb
deliriousness noun

Medical Definition

delirious

adjective
de·​lir·​i·​ous di-ˈlir-ē-əs How to pronounce delirious (audio)
1
: of, relating to, or characteristic of delirium
2
: affected with or marked by delirium
deliriously adverb

More from Merriam-Webster on delirious

Last Updated: - Updated example sentences
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