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[dih-leer-ee-uh s] /dɪˈlɪər i əs/
Pathology. affected with or characteristic of delirium.
wild with excitement, enthusiasm, etc.:
She was delirious with joy at the news.
Origin of delirious
First recorded in 1590-1600; deliri(um) + -ous
Related forms
deliriously, adverb
deliriousness, noun
nondelirious, adjective
nondeliriously, adverb
nondeliriousness, noun
undelirious, adjective
undeliriously, adverb
2. thrilled, excited, ecstatic. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for deliriously
Contemporary Examples
Historical Examples
  • Torchy is just as deliriously funny in these stories as he was in the previous book.

    Torchy and Vee Sewell Ford
  • For she was in love—she knew it now—wildly, deliriously, gloriously in love with Owen.

    The Making of a Soul

    Kathlyn Rhodes
  • She was too deliriously happy to speak, and the only words she could have said were, I love you, I love you.

    Mrs. Craddock W. Somerset Maugham
  • That is to say, he was deliriously glad and he knew he ought not to be.

    Nothing But the Truth Frederic S. Isham
  • For a time, we must believe, humanity then was deliriously bereft.

    Nonsenseorship G. G. Putnam and Others
  • The air was deliriously fresh and fragrant, and the sun had not yet become hot.

    The Graftons Archibald Marshall
British Dictionary definitions for deliriously


affected with delirium
wildly excited, esp with joy or enthusiasm
Derived Forms
deliriously, adverb
deliriousness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for deliriously



1703, from stem of delirium + -ous. Figurative use attested from 1791. Related: Deliriously.

Online Etymology Dictionary, © 2010 Douglas Harper
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deliriously in Medicine

delirious de·lir·i·ous (dĭ-lēr'ē-əs)
Of, suffering from, or characteristic of delirium.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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