Heated is a verb (past tense and past participle of heat). Example: Heat the food before serving.
Past participles can be adjectives--a heatedargument.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
adverb
The part of speech for "answer" is a noun.
The part of speech for "lecturer" is a noun.
The part of speech for "breezy" is an adjective.
The part of speech for "buried" is a verb.
The part of speech for "rapid" is an adjective.
The part of speech for "indefinite" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "explicit" is an adjective.