red in the face from shyness, embarrassment, or shame

I'm no blushing adolescent giggling at the mere mention of a four-letter word

pink or pale red

the trees are loaded with blushing blossoms

the action of becoming red in the face from shyness, embarrassment, or shame

blushing can't be faked, which makes it an excellent and trustworthy signal

show shyness, embarrassment, or shame by becoming red in the face

she blushed at the unexpected compliment

Kate felt herself blushing scarlet

be or become pink or pale red

the trees flower heavily in summer and blush brilliantly in autumn