Standard Lemma guide

cephalitis

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

phrenitis

Definition source: English Wiktionary via Wiktextract

Usage: archaic, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

phrenitis

encephalitis

Definition source: English Wiktionary via Wiktextract

Usage: archaic, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: encephalitis, phrenitis

Antonyms: none provided

Broader terms: inflammation, redness, rubor

Narrower terms: acute hemorrhagic encephalitis, equine encephalitis, equine encephalomyelitis, herpes simplex encephalitis, herpes encephalitis, acute inclusion body encephalitis, leukoencephalitis, meningoencephalitis, cerebromeningitis, encephalomeningitis, panencephalitis, sleeping sickness, sleepy sickness, epidemic encephalitis, lethargic encephalitis, encephalitis lethargica, West Nile encephalitis

History

Etymology

From cephal- + -itis.