Definition of "redden" [red•den]

• To make red. (verb-transitive)
• To become red. (verb-intransitive)
• To blush. (verb-intransitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Although it is also widely used, it causes the ear to redden from the pinching."
• "Opening the shirt in front of hundreds, I watched his chest heave in frustration and his face redden in humiliation as he threw the shirt down."
• "I once saw him strap a refrigerator to his back and carry it up a flight of stairs, but now if he didn't sag under the weight of his steel toolbox, carried solemnly from house to house like a box of jewels, his face would redden with the effort."