The definition of lethargic is being sluggish or having little energy.
(adjective)An example of lethargic is a person who refuses to walk up one flight of stairs and takes the elevator instead.
See lethargic in Webster's New World College Dictionary
adjective
Origin: ME litargik < L lethargicus < Gr lēthargikos
Related Forms:
See lethargic in American Heritage Dictionary 4
adjective
Related Forms:
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