Thousands adjectives are listed in this post. Each word below can often be found in front of the noun thousands in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing THOUSANDS.
additional, already, back, congregated, countless, day, displaced, eager
earth, even, fed, few, hungry, innumerable, last, left
like, literally, long, low, many, more, multiple, multiplied
only, other, past, ruined, save, scattered, search, several
slaughtered, so, still, such, trained, uncounted, unknown, unnumbered
untold, useless, worth
Hope this word list had the adjective used with thousands you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.