Myasthenia

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Abnormal weakness of the muscles; but especially myasthenia gravis. countable, uncountable
  2. 2
    any muscular weakness wordnet
  3. 3
    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 wordnet

Synonyms

All synonyms
myasthenia gravismyasthenia gravis

Etymology

From my- (“relating to muscle”) + asthenia (“weakness”), from Ancient Greek ἀσθένεια (asthéneia, “weakness”). By surface analysis, my- (“muscle”) + a- (“not”) + sthen- (“strength”) + -ia (“disease”).

Related phrases

myasthenia gravismyasthenia gravis

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.