Waterfall adjectives are listed in this post. Each word below can often be found in front of the noun waterfall in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing WATERFALL.
artificial, beautiful, big, celebrated, distant, famous
fine, foot, frozen, gentle, great, high
highest, huge, large, largest, little, lovely
magnificent, mighty, miniature, nearby, picturesque, pretty
roaring, small, spectacular, tallest, tiny, traditional
Hope this word list had the adjective used with waterfall you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.