verb
to release or open by or as if by unfastening buttons
-
She delicately unbuttoned her blouse before stepping into the elegant ballroom.
-
I always unbutton my jeans after a big meal, it's so much more comfortable.
-
He unbuttoned his shirt and showed off his new tattoo to the whole party.
-
The therapist helped him unbutton the layers of emotional baggage he had been carrying for years.