Meanings
nounbrain fever (countable and uncountable, plural brain fevers)
plural brain fevers · alternative brain-fever
- countabledateduncountablemedicineencephalitis or meningitis
- countabledateduncountableA state of hysteria or temporary insanity caused by an emotional shock.
We found that the news of the arrival of the packet—for her illness dated from that time—had such an effect upon her as to bring on brain fever.
1893, Arthur Conan Doyle, The Adventure of the Cardboard Box
Synonyms & antonyms
nounmeningitis caused by bacteria and often fatal
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
brain fever. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/brain%20fever
MLA
“brain fever.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/brain%20fever. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “brain fever,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/brain%20fever.
Source: brain fever on Wiktionary, CC BY-SA 4.0.