Plank adjectives are listed in this post. Each word below can often be found in front of the noun plank in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing PLANK.
bare, broad, broken, central, chief, first, hard
heavy, important, inch, key, large, last, little
long, loose, main, major, narrow, new, oaken
old, only, pine, rotten, rough, same, second
short, single, small, solid, stout, strong, thick
thin, third, wide, wooden
Hope this word list had the adjective used with plank you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.