What does the following statement or phrase mean? September 17, 2024 / Vidhya Vidhya / 0 comment Lethargic Lethargic (Adjective) Meaning: Affected by lethargy; sluggish and apathetic. Synonyms: Sluggish, inert, inactive Antonyms: Energetic, lively, active Example Sentence: After the long flight, she felt too lethargic to do anything but sleep.