verb (used with object)
verb (used without object)
Origin of clench
Can be confusedclench clinch
Examples from the Web for clench
You know how you can clench and make all the blood go into your head?Jeff Daniels Defends Aaron Sorkin and the ‘Dumb and Dumber’ Toilet Scene|Kevin Fallon|November 7, 2014|DAILY BEAST
You almost wanted him to clench his teeth, slam his fist, kick the lectern—anything to show that he was teed off.
It provokes a physical reaction in most of us—we jump up out of our chairs, grab at the air and clench our fists.
A motor rushed past her, covering her with dust and causing her to clench her hands in anger.The Halo|Bettina von Hutten
This will appear in our own sample copies, and is what will clench and make subscribers of every name that comes.The Bread Line|Albert Bigelow Paine
They tended to face outward, angrily, and to clench their fists.Space Platform|Murray Leinster
And so we close and clench, not our hand, but our heart, seeking to clutch the world in it.Tragic Sense Of Life|Miguel de Unamuno
The music just then started again, and he offered her his arm with a certain import that made Mary Hope clench her hands.Rim o' the World|B. M. Bower