Definition of "blush"
blush1
/blʌʃ/
noun
countable and uncountable, plural blushes
(figuratively) Feeling or appearance of optimism.
verb
third-person singular simple present blushes, present participle blushing, simple past and past participle blushed
(intransitive) To become red in the face (and sometimes experience an associated feeling of warmth), especially due to shyness, shame, excitement, or embarrassment.