gnash

"He snapped his stick in anger."

"The teacher explained the new math concept quickly. "

"Her stubbornness prevented her from admitting she was wrong, even when presented with evidence. "

"The new carpet in the living room is a beautiful, deep red. "

"The sudden announcement of a school holiday surprised everyone. "

"I am seeing a red car parked across the street. "

"During the centuries, the people of Ireland struggled constantly to assert their right to govern themselves."

"The seamstress used a sturdy between to create a precise, even stitch on the thick upholstery fabric. "

"Go easy on him: he is but a child."

"The new rules about homework have teeth; parents are actually following them now. "

"He was safe and sound."

"gnashing your teeth"