coun·ter·work I. \ˈ ̷ ̷ ̷ ̷+ˌ-\noun Etymology:counter- + work (n.) 1.: any work done counter to another work 2.counterworksplural: fortifications constructed to counteract the effect of fortifications of the enemy II. \| ̷ ̷ ̷ ̷+\verb Etymology:counter- + work (v.) intransitive verb : to work in opposition transitive verb : to work against : have a contrary effect on : counteract < counterworking his rival's designs >