Standard Lemma guide

encephalitis

noun · 2 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ɛnˌsɛfəˈlaɪtɪs/
  • /ɛnˌkɛfəˈlaɪtɪs/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: EH0 N S EH2 F AH0 L AY1 T AH0 S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Inflammation of the brain.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pathology, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

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: cephalitis, 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 encephal- + -itis.

Across languages

Translations

38 source translations are retained for this English entry.

  • Armenian: էնցեֆալիտ (ēncʻefalit) — inflammation of the brain
  • Bulgarian: енцефалит (encefalit) — inflammation of the brain
  • Catalan: encefalitis — inflammation of the brain
  • Chinese Mandarin: 腦炎 /脑炎 (nǎoyán) — inflammation of the brain
  • Czech: encefalitida — inflammation of the brain
  • Dutch: hersenontsteking — inflammation of the brain
  • Dutch: encefalitis — inflammation of the brain
  • Esperanto: encefalito — inflammation of the brain
  • Finnish: aivotulehdus — inflammation of the brain
  • Finnish: enkefaliitti — inflammation of the brain
  • Finnish: aivokuume — inflammation of the brain
  • French: encéphalite — inflammation of the brain
  • Galician: encefalite — inflammation of the brain
  • German: Enzephalitis — inflammation of the brain
  • German: Gehirnentzündung — inflammation of the brain
  • Greek: εγκεφαλίτιδα (egkefalítida) — inflammation of the brain
  • Hungarian: agyvelőgyulladás — inflammation of the brain
  • Icelandic: heilabólga — inflammation of the brain
  • Italian: encefalite — inflammation of the brain
  • Japanese: 脳炎 (nōen) — inflammation of the brain
  • Korean: 뇌염 (noeyeom) — inflammation of the brain
  • Malay: radang otak — inflammation of the brain
  • Malay: ensefalitis — inflammation of the brain
  • Malayalam: മസ്തിഷ്കജ്വരം (mastiṣkajvaraṁ) — inflammation of the brain
  • Polish: zapalenie mózgu — inflammation of the brain
  • Portuguese: encefalite — inflammation of the brain
  • Romanian: encefalită — inflammation of the brain
  • Russian: энцефали́т (encefalít) — inflammation of the brain
  • Spanish: encefalitis — inflammation of the brain
  • Swedish: encefalit — inflammation of the brain
  • Swedish: hjärninflammation — inflammation of the brain
  • Tagalog: magang-utak — inflammation of the brain
  • Tagalog: ensepalitis — inflammation of the brain
  • Thai: สมองอักเสบ (sà-mɔ̌ɔng-àk-sèep) — inflammation of the brain
  • Turkish: ensefalit — inflammation of the brain
  • Turkish: beyin iltihabı — inflammation of the brain
  • Uyghur: مېڭە ياللۇغى (më'nge yallughi) — inflammation of the brain
  • Vietnamese: viêm não — inflammation of the brain