Astringency is a term used to describe a sharp, bitter taste or flavor. It can be found in certain foods and drinks, such as unripe fruits, coffee, and tea. The crossword solutions for the term astringency are ACRIMONY (8 letters), BITTERNESS (10 letters), and ACERBITY (8 letters). ACRIMONY refers to a feeling of strong resentment or ill will, while BITTERNESS is a feeling of deep-seated anger or resentment. ACERBITY is a sour or sharp taste or quality. All three words are related to astringency, as they all refer to a sharp, unpleasant taste or feeling.