crimson

 
Pronunciation: /ˈkrɪmz(ə)n/

adjective

  • of a rich deep red colour inclining to purple: she blushed crimson with embarrassment

noun

[mass noun]
  • a rich deep red colour inclining to purple: a pair of corduroy trousers in livid crimson, they were horrid to behold

verb

[no object]
  • (of a person’s face) become flushed, especially through embarrassment: my face crimsoned and my hands began to shake

Origin:

late Middle English: from obsolete French cramoisin or Old Spanish cremesin, based on Arabic qirmizī, from qirmiz (see kermes). Compare with carmine