n. 25B6; adjective
a red dress : scarlet, vermilion, ruby, cherry, cerise, cardinal, carmine, wine, blood-red; coral, cochineal, rose; brick-red, maroon, rusty, rufous; reddish; poetic/literary damask, vermeil, sanguine.
he was red in the face : FLUSHED, reddish, pink, pinkish, florid, rubicund; ruddy, rosy, glowing; burning, feverish; poetic/literary rubescent; archaic sanguine.
his eyes were red : BLOODSHOT, swollen, sore.
red hair : reddish, auburn, Titian, chestnut, carroty, ginger.
25B6; noun (informal, derogatory) the war against the Reds : COMMUNIST, socialist, left-winger, leftist; informal Commie, lefty.
25A0; in the red OVERDRAWN, in debt, in debit, in deficit, in arrears.
25A0; see red (informal) BECOME VERY ANGRY, become enraged, lose one's temper; informal go mad, go crazy, go wild, go bananas, hit the roof, go up the wall, fly off the handle, blow one's top, flip (one's lid), go ballistic; Brit. informal go spare, do one's nut; N. Amer. informal flip one's wig, blow one's lid/stack.