Synonyms and related words :
antagonism, antipathy, backfire, backlashing, backwash, boomerang, bounce, bounce back, bound, carom, clashing, clout, collision, conflict, confutation, contradiction, contraposition, contrariety, contrecoup, counteraction, counterposition, counterworking, crankiness, crotchetiness, dissent, force, friction, impact, impress, impression, imprint, interference, kick, kick back, kickback, mark, nonconformity, opposition, opposure, oppugnance, oppugnancy, perverseness, print, reaction, rebound, rebuff, recalcitrance, recalcitration, recoil, reflex, renitency, repercussion, repugnance, repulse, resilience, resistance, response, revolt, ricochet, spring, swimming upstream