inaction, inactiveness, inactivity - the state of being inactive

countercheck - a check that restrains another check

logjam - any stoppage attributable to unusual activity; "the legislation ran into a logjam"

breech closer, breechblock - a metal block in breech-loading firearms that is withdrawn to insert a cartridge and replaced to close the breech before firing

impedimenta, obstruction, obstructor, obstructer, impediment - any structure that makes progress difficult

plug, stopper, stopple - blockage consisting of an object designed to fill a hole tightly

vapor lock, vapour lock - a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)

human action, human activity, act - something that people do or cause to happen

stand-down, standdown - (military) a temporary stop of offensive military action

haemostasia, haemostasis, hemostasia, hemostasis - surgical procedure of stopping the flow of blood (as with a hemostat)