This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, causing, or characterized by lethargy.

adj. sluggish, slow

adj. indifferent, apathetic

adj. Pertaining to, affected with, or resembling, lethargy; morbidly drowsy; dull; heavy.

Affected with lethargy; morbidly sluggish or drowsy; dull; torpid.

Marked by lethargy or languor; manifesting sluggishness or apathy: as, lethargic movements; a lethargic government.

Producing lethargy; causing languor or apathy; stupefying.

adj. deficient in alertness or activity

"In an interview, Michael Lamach, chief executive officer, said he thinks the U.S. economy, while avoiding a double-dip recession, may well remain "lethargic" for a long spell."

lackadaisical    dreamy    foggy    languorous    languid    stuporous    groggy    listless    dazed    logy   

lethargy    alethiology    alethic    philalethia    Lethe   

dull    heavy    torpid    unmoving    lazy   

listless    apathetic    torpid    sluggish    inactive    phlegmatic    drowsy    lackadaisical    indolent    stolid