Dictionary definition · crimson
noun
- a deep and vivid red color
verb
- turn red, as if in embarrassment or shame"The girl blushed when a young man whistled as she walked by"
adjective
- of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies
- characterized by violence or bloodshed"writes of crimson deeds and barbaric days"
- (especially of the face) reddened or suffused with or as if with blood from emotion or exertion"crimson with fury"
Source: Open English WordNet (CC BY 4.0).