"The hungry owl pounced instantly on the slithering snake."
The adjectives hungry and slithering are here both descriptive adjectives.
The kitten pounced on the toy.
The stalking kitten pounced on the mouse.
The cat lay still, ready to pounce on the mouse.
The cat gradually stalked up to the mouse and pounced!
The tiger pounced on the gazelle ravenously.
A large gorilla pounced on the poacher, ferociously attacking the man's face and neck.
No, the word pounced is not an adverb.The word pounced is a verb and sometimes a noun.The adverb form of "pounced" is pouncingly, though it is rare to find this word in modern English literature.
Slunk.
Slunk.
pounced
No, it is not. While the present participle (pouncing) could be an adjective, the past participle, pounced (like leapt) is not used as an adjective.
Someone coughed at the back of the room.I coughed on the crumbs.