astringent /əˈstɹɪn.d͡ʒənt/adjective 4noun 1forms 3 adjective4 •Extremely sour, bitter. •Sharp, caustic, severe.Philip, who was made Duke of Edinburgh on the couple’s wedding, introduced a new, less stuffy, though as the years went on occasionally astringent, tone to the royal family. — 2022 •Having the effect of drawing tissue together; styptic. •Causing a dry or puckering mouthfeel; characteristic of foods with high tannin content, such as certain kinds of berries and citrus fruits. noun1 •A substance which draws tissue together, thus restricting the flow of blood. formsastringents · more astringent · most astringent