Is buzzing an adjective or verb?

"Buzzing" can be both an adjective and a verb, depending on how it's used:

Verb:

* Example: The bees were buzzing around the flowers.

Adjective:

* Example: The party was buzzing with excitement.

In the first example, "buzzing" describes the action of the bees. In the second example, "buzzing" describes the atmosphere of the party, like it was lively and full of energy.