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.
The rapper, whose real name is Montero Hill, was arrested on Thursday morning after he was seen roaming the streets of Ventura Boulevard in Studio City, nearly naked and seemingly delirious. Winston Cho, HollywoodReporter, 25 Aug. 2025 Loktev makes her way into various apartments for commiserative gatherings and holiday celebrations — the midpoint of My Undesirable Friends is a delirious New Year’s party — where her hosts inevitably mention that their places are certainly bugged. Alison Willmore, Vulture, 14 Aug. 2025 In front of more than 11,000 delirious fans in Montreal, Mboko earned her fourth win over a former Grand Slam champion in seven matches, winning her first WTA Tour tournament. Matthew Futterman, New York Times, 8 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 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 10 Sep. 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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