the antonym of active is passive
Synonym is tired antonym is active
Awake
Lethargic is a word that means tired, lazy sluggish, so antonyms of lethargic would be energetic and active.
advanced, active
active
Synonym is tired antonym is active
energized
Awake
Energetic.
Lethargic is a word that means tired, lazy sluggish, so antonyms of lethargic would be energetic and active.
An antonym for the word latent would be active.
active
advanced, active
Action
worn, stale, tired, old, exhausted, obsolete, passe, rotten,
Well, I guess play means active or motion, so the antonym would probably be somewhere around lazy, tired, still, anything that doesn't really involve motion.
you have muscular endurance is the ability to stay active without getting tired