ablush
v. C1 Advanced ablush
v. to turn red in your face because you are embarrassed or shy. It is a more formal or literary way to describe this physical reaction.
v. to become flushed with a reddish colour in the face, typically as a result of embarrassment, shyness, or anger. Intransitive; often used in literary or formal contexts.
She turned ablush when the teacher praised her work.
The young man turned ablush as he realized everyone in the room was looking at him.
He stood ablush before the committee, struggling to find the words to explain the sudden error in his presentation.
From a- + blush.