Flaw adjectives are listed in this post. Each word below can often be found in front of the noun flaw in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing FLAW.
basic, biggest, central, common, critical, fatal, first, fundamental
genetic, great, greatest, hidden, human, inherent, least, little
logical, main, major, minor, moral, obvious, only, other
personal, physical, possible, potential, real, same, second, serious
significant, single, slight, slightest, small, smallest, structural, sudden
technical, tiny, tragic
Hope this word list had the adjective used with flaw you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.