Crimson (3)
'crimson' is the definition.
(I know that crimson can be written as red)
This is all the clue.
(Other definitions for red that I've seen before include "Blushing" , "eg Cardinal" , "socialist?" , "- Cross; - admiral" , "Colour of communism" .)
'crimson' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for carmine that I've seen before include "Bright red" , "Crimson pigment" , "Vivid red colour" .)