Noun

• S: (n) crimson, ruby, deep red (a deep and vivid red color)

Verb

• S: (v) blush, crimson, flush, redden (turn red, as if in embarrassment or shame) "The girl blushed when a young man whistled as she walked by"

Adjective

• S: (adj) red, reddish, ruddy, blood-red, carmine, cerise, cherry, cherry-red, crimson, ruby, ruby-red, scarlet (of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies)
• S: (adj) crimson, red, violent (characterized by violence or bloodshed) "writes of crimson deeds and barbaric days"- Andrea Parke; "fann'd by Conquest's crimson wing"- Thomas Gray; "convulsed with red rage"- Hudson Strode
• S: (adj) crimson, red, reddened, red-faced, flushed ((especially of the face) reddened or suffused with or as if with blood from emotion or exertion) "crimson with fury"; "turned red from exertion"; "with puffy reddened eyes"; "red-faced and violent"; "flushed (or crimson) with embarrassment"