[ koun-ter-klok-wahyz ]
/ ˌkaʊn tərˈklɒkˌwaɪz /

adjective, adverb

in a direction opposite to that of the normal rotation of the hands of a clock; not clockwise.
Also contraclockwise; especially British, anticlockwise.

Origin of counterclockwise

First recorded in 1885–90; counter- + clockwise Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for counterclockwise

British Dictionary definitions for counterclockwise



/ (ˌkaʊntəˈklɒkˌwaɪz) /

adverb, adjective

US and Canadian in the opposite direction to the rotation of the hands of a clockAlso called (in Britain and certain other countries): anticlockwise
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for counterclockwise


adj., adv.

1870, also counter-clockwise; from counter- + clockwise.

Online Etymology Dictionary, © 2010 Douglas Harper