intransitive. (a) To be red. (b) To become or grow red; to blush; = redden, v. 4. rare after Middle English.

To burn with bodily heat; usually with the accompaniment of heightened colour. Also const. with predic. adj.

intransitive. To become red in the face, (usually) from shame or modesty; to ‘colour up’. Often with complement to blush red, etc., also with…

intransitive. To become red in the face (with shame, anger, etc.); to redden, blush. Also with up.

Of a person. intransitive. To become red in the face (with shame, rage, etc.); to blush, become flushed.

intransitive. To become crimson; esp. (of a person or part of the body) to redden with embarrassment, rage, etc.