beetroot red noun 2adjective 1forms 3 noun2 •A deep intense purplish red, often of a person's face when flushed with embarrassment.They fill your mouth with hot, spicy flavours or spiky textures, their leaves sometimes green, sometimes flushed with beetroot red. — 2001 •A glycoside obtained from beets and used as a food dye, also known as betanin and E162. adjective1 •Of a deep intense purplish red.The roadside cafe is called Borscht, advertised with a gigantic beetroot red sign, leaving little doubt what people around here like to eat. — 2020 formsbeetroot reds · more beetroot red · most beetroot red