counterclockwise
Counterclockwise (adj) means moving in the direction opposite to the way clock hands turn. Example: “Turn the dial counterclockwise to loosen the valve.”
How to use counterclockwise
Learner’s notesIn plain EnglishTurning the opposite way from a clock's hands — to the left, when viewed from the front.
American English says "counterclockwise"; British English typically says "anticlockwise."
Fill the gap
Can you complete this real example?
Turn the dial _____ to loosen the valve.
Etymology
From counter- + clockwise.