0 past simple and past participle of blush
1 to become pink in the face, usually from embarrassment:
She blushed with embarrassment.
Here comes your favourite person now - look, you're blushing!
The poor boy was blushing when the headmistress made him come up to collect his prize.
Surely he blushed when he did that because the figures reveal the reality.
Even the police blushed when they told that one in court.
I must have blushed very deeply.