Effect Effect synonyms outcome effect and outcome consequence effect and consequence result effect and result force effect and force issue effect and issue effectuate effect and effectuate influence effect and influence upshot effect and upshot event effect and event aftermath effect and aftermath Full list of synonyms (2737) Effect antonyms cause effect and cause origin effect and origin source effect and source neglect effect and neglect foundation effect and foundation start effect and start forget effect and forget fail effect and fail impotence effect and impotence powerlessness effect and powerlessness Full list of antonyms (100) Share this picture Share this image Share this picture Share this image