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Definition of Lassitude

Lassitude: Weakness, weariness, listlessness, exhaustion, lethargy. For example, the patient complained of lassitude. Borrowed from French, from Latin lassitudo, from lassus meaning weary.

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=24650
Last Editorial Review: 10/11/2004

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