Rusty is an adjective derived from the noun rust.
In the sentence, "rusty" is an adjective describing the noun it precedes.
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The word rusty is an adjective. It describes something that has been affected by rust.
In the sentence, "rusty" is an adjective describing the noun it precedes.
part of speech
The part of speech for this particular word is a noun.
The part of speech for "answer" is a noun.
adverb
what part of speech is beneath
The part of speech for "explicit" is an adjective.
The part of speech for "twirl" is a verb.
The part of speech for "unfamiliar" is an adjective.
The part of speech of "came" is a verb.
The part of speech for "lecturer" is a noun.