of, relating to, or affected with lethargy; drowsy; sluggish; apathetic.
producing lethargy: The lethargic heat and humidity of the day made me want to do nothing but nap.

Also le·thar·gi·cal.

Origin of lethargic

1350–1400; < Latin lēthargicus < Greek lēthargikós; replacing Middle English litargik < Medieval Latin litargicus (see lethargy, -ic)
Related formsle·thar·gi·cal·ly, adverbhy·per·le·thar·gic, adjectivenon·le·thar·gic, adjectivenon·le·thar·gi·cal, adjectivenon·le·thar·gi·cal·ly, adverbun·le·thar·gic, adjectiveun·le·thar·gi·cal, adjectiveun·le·thar·gi·cal·ly, adverb

Synonyms for lethargic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lethargically

Historical Examples of lethargically

  • While she sat there she was always thinking, but vaguely, slowly, lethargically.

    A Spirit in Prison

    Robert Hichens

  • The road lay before him long and bare, and lethargically he took it.

    The Man Who Was Good

    Leonard Merrick

  • “But I got the boat off in time,” Eve repeated, lethargically.

    Jupiter Lights

    Constance Fenimore Woolson

  • Lethargically and nonchalantly we drew away from the restaurant.

    Caught by the Turks

    Francis Yeats-Brown

  • Lethargically he got up, put a coal or two on the fire, and went down to change.

Word Origin and History for lethargically



late 14c., litargik, from Latin lethargicus "affected with lethargy," from Greek lethargikos, from lethargos (see lethargy). Related: Lethargically.

Online Etymology Dictionary, © 2010 Douglas Harper