The word ‘favorite’ primarily functions as a noun or an adjective. As a noun, it refers to something regarded with special favor or preference, such as ‘My favorite is chocolate ice cream.’ In this context, it denotes a specific item that is liked the most. As an adjective, it describes something that is preferred above others, like in the sentence ‘Chocolate is my favorite flavor.’ Here, it modifies the noun ‘flavor’ and indicates a preference.
In summary, ‘favorite’ can act as both a noun and an adjective, depending on its use in a sentence. This dual function enriches its application in everyday language.