Is Unweeded an Adjective?

Unweeded is an adjective. The adjective is the word that accompanies the noun to determine or qualify it.

What is the meaning of Unweed?

(ʌnˈwiːdɪd) adjective. not weeded; not having been removed of weeds. an unweeded garden/park. Collins English Dictionary.

Is archaic a verb or adjective?

If you use the adjective archaic you are referring to something outmoded, belonging to an earlier period. Rotary phones and cassette players already seem so archaic! The adjective archaic means something that belongs to an earlier or antiquated time.