What is the meaning of blushing?

verb

• Turn red, as if in embarrassment or shame.
  • usage: "The girl blushed when a young man whistled as she walked by"
  • synonyms: blush, crimson, flush, redden
• Become rosy or reddish.
  • usage: "her cheeks blushed in the cold winter air"
  • synonyms: blush

adjective

• Having a red face from embarrassment or shame or agitation or emotional upset.
  • usage: "the blushing boy was brought before the Principal"; "her blushful beau"; "was red-faced with anger"
  • synonyms: blushful, red-faced