What is a verb used to describe rabbits?

Verbs don't describe: they show actions or states.

For rabbits suitable verbs would be: hop run twitch nibble eat.

Example sentences: The rabbit hopped through the grass. The rabbit is hungry.

Adjectives describe nouns (rabbit is a noun).

For rabbits, suitable adjectives would be: fluffy, small, brown, grey.

Example sentences: The brown rabbit is hungry. The small rabbit hopped through the grass