Is tropical an adjective or adverb?

The word "tropical" can be both an adjective and an adverb.

As an adjective, "tropical" is used to describe something related to the tropics, which are the regions of the Earth located near the equator. For example, you could talk about a "tropical climate" or a "tropical forest".

As an adverb, "tropical" is used to describe something in a tropical way. For example, you could say that a place is "tropical-looking" or that a drink is "tropical-tasting".