Meaning : Deficient in alertness or activity.
Example :
Bullfrogs became lethargic with the first cold nights.
Synonyms : unenergetic
Possessing or exerting or displaying energy.
An energetic fund raiser for the college.Lethargic ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Lethargic ka matlab kya hota hai?