delirious Meaning in the Cambridge English Dictionary
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Meaning of “delirious” in the English Dictionary

"delirious" in British English

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deliriousadjective

uk   us   /dɪˈlɪr.i.əs/
unable to ​think or ​speakclearly because of ​fever or ​mentalconfusion: She had a high ​temperature and was delirious. extremelyhappy or ​excited: The ​teamarrivedhome to a delirious ​reception from ​itsfans.
deliriously
adverb uk   us   /-li/
Kate and Peter are deliriously happy (= ​extremelyhappy) together.
(Definition of delirious from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"delirious" in American English

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deliriousadjective

 us   /dɪˈlɪər·i·əs/
thinking or ​speaking in a way that is not ​reasonable because of ​mentalconfusion: He ​grewfeverish and then delirious. Delirious also ​meansextremelyhappy: delirious with ​joy
(Definition of delirious from the Cambridge Academic Content Dictionary © Cambridge University Press)
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