Decades adjectives are listed in this post. Each word below can often be found in front of the noun decades in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing DECADES.
back, coming, different, earlier, earliest, early, eighth, even, few, fifth
final, first, following, for, formative, fourth, full, future, half, initial
intervening, interwar, last, late, later, latter, long, many, mere, middle
more, multiple, next, only, opening, other, past, plus, postwar, preceding
previous, prior, recent, same, second, seventh, several, short, sixth, subsequent
successive, third, tumultuous, turbulent, war, whole
Hope this word list had the adjective used with decades you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
Please add more adjectives to make this list more complete: