Dictionary definition · blush
noun
- a rosy color (especially in the cheeks) taken as a sign of good health
- makeup consisting of a pink or red powder applied to the cheeks
- sudden reddening of the face (as from embarrassment or guilt or shame or modesty)
verb
- turn red, as if in embarrassment or shame"The girl blushed when a young man whistled as she walked by"
- become rosy or reddish"her cheeks blushed in the cold winter air"
Source: Open English WordNet (CC BY 4.0).