Lifetime adjectives are listed in this post. Each word below can often be found in front of the noun lifetime in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing LIFETIME.
actual, adult, atmospheric, average, brief, cumulative, current, different, earthly
entire, estimated, expected, finite, free, full, future, greater, high
higher, human, increased, individual, limited, little, long, longer, lower
maximum, mean, more, mortal, natural, next, normal, operational, ordinary
other, overall, own, potential, present, previous, professional, projected, same
short, shorter, single, total, useful, very, whole, year
Hope this word list had the adjective used with lifetime you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.