See lethargic defined for English-language learners
Examples of LETHARGIC
The patient is weak and lethargic.
<a big meal always makes me feel lethargic and sleepy>
You'll need to move your lure as slowly as possible to tempt the lethargic fish into feeding… —Lenny Rudow, Boating, December 1997
… became a drifter and for a time an alcoholic and finally lapsed into lethargic self-abasement. —Stanley Karnow, New York Times Book Review, 14 Oct. 1984
The audience was cold and lethargic. It is true there were about fifty-seven applauses, but they were not roars of enthusiasm by any means. —Lady Bird Johnson, 12 Jan. 1966, in A White House Diary,1970