(adv) in a direction opposite to the direction in which the hands of a clock move, Syn. anticlockwise, Ant. clockwise, Example:please move counterclockwise in a circle!
The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)
adj. & adv. in the opposite direction to that in which the hands of a clock rotate, as viewed from in front of the clock face; -- of rotatory motion or spiral direction. Opposite of clockwise, or right-handed [ Narrower terms: sinistrallevororotary, levorotatory ] Syn. -- left-handed. [ PJC ]