overclock noun 1verb 1forms 3 noun1 •(informal) The act of overclocking.[…] your overclock was too aggressive. The best way to ensure that your overclock is stable is to stress the hell out of your PC. — 2006 verb1 •To run a processor (CPU), or any electronic logic device, at a speed higher than is recommended by the manufacturer. formsoverclocked · overclocking · overclocks