Phrase guide

myasthenia gravis

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

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1

noun

Meaning 1

Weakness and rapid fatigue of muscles under voluntary control.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a chronic progressive disease characterized by chronic fatigue and muscular weakness (especially in the face and neck); caused by a deficiency of acetylcholine at the neuromuscular junctions

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: myasthenia

Antonyms: none provided

Broader terms: disease of the neuromuscular junction, autoimmune disease, autoimmune disorder

History

Etymology

No etymology was provided for this word.

Across languages

Translations

2 source translations are retained for this English entry.

  • Chinese Mandarin: 重症肌無力 /重症肌无力 (zhòngzhèng jīwúlì) — myasthenia gravis
  • Finnish: myastenia — myasthenia gravis