If someone is suffering from delirium, they are not able to think or speak in a sensible and reasonable way because they are very ill and have a fever.
In her delirium, she had fallen to the floor several times.
More Synonyms of delirium
delirium in British English
(dɪˈlɪrɪəm)
nounWord forms: plural-liriums or -liria (-ˈlɪrɪə)
1.
a state of excitement and mental confusion, often accompanied by hallucinations, caused by high fever, poisoning, brain injury, etc
2.
violent excitement or emotion; frenzy
Derived forms
deliriant (deˈliriant)
adjective
Word origin
C16: from Latin: madness, from dēlīrāre, literally: to swerve from a furrow, hence be crazy, from de- + līra ridge, furrow
delirium in American English
(dɪˈlɪriəm)
nounWord forms: pluraldeˈliriums or deˈliria (dɪˈlɪriə)
1.
a temporary state of extreme mental excitement, marked by restlessness, confused speech, and hallucinations: it sometimes occurs during a fever or in some forms of insanity
2.
uncontrollably wild excitement or emotion
a delirium of joy
SIMILAR WORDS: ˈmania
Word origin
L, madness < delirare, to rave, lit., to turn the furrow awry in plowing < de-, from + lira, a line, furrow: see list1
Synonyms of 'delirium'
madness, raving, insanity, lunacy
frenzy, passion, rage, fever
More Synonyms of delirium
(noun)
Definition
violent excitement
I was in a delirium of panic.
Synonyms
frenzy
Something like a frenzy enveloped them.
passion
Sam flew into a passion at the suggestion.
a crime of passion
rage
I flew into a rage.
fever
I got married in a fever of excitement.
fury
She screamed, her face distorted with fury.
ecstasy
the agony and ecstasy of holiday romance
hysteria
No one could help getting carried away by the hysteria.