Sign or Symptom
weakness Audio
weak·ness [ week-nis ]
Definitions related to weakness:
  • The property of lacking physical strength.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • (debility) Weakness or a loss of physical strength.
    Harvard Dictionary of Health Terms
    Harvard Medical Publishing, 2011
  • Weakness is one of the most common reasons patients present to primary care clinicians. Weakness is loss of muscle strength, although many patients also use the term when they feel generally fatigued or have functional limitations (eg, due to pain or limited joint motion) even though muscle strength is normal.
    Merck Manuals
    Merck & Co., Inc., 2020
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