No, but idle is.
Lethargic is a word that means tired, lazy sluggish, so antonyms of lethargic would be energetic and active.
I feel a little lethargic today.
people r lethargic on rainy days
David's movements were lethargic most of the time.
She was lethargic after she learned that her best friend was moving away. The news that he would be laid off made the man lethargic.
Some examples: Why am I so lethargic even after a good night's sleep? Is that lizard less lethargic when it is in the hot desert sun?
Lethargic means sucky and hookie whoo. Hoo yeah a
After waking up from surgery, the patient felt weary, disoriented, and lethargic.
The answer is that there is no homophone for can, but can is a homonym.
Him is the homophone for hymn.
Your is a homophone of you're. In some dialects, yore is another homophone.
the homophone for stationery is stationary