Adjective scarlet has 1 sense
  1. red, reddish, ruddy, blood-red, carmine, cerise, cherry, cherry-red, crimson, ruby, ruby-red, scarlet - having any of numerous bright or strong colors reminiscent of the color of blood or cherries or tomatoes or rubies
    Antonym: achromatic (indirect, via chromatic)
,Noun scarlet has 1 sense
  1. scarlet, vermilion, orange red - a variable color that is vivid red but sometimes with an orange tinge
    --1 is a kind of red, redness