antiproliferative

adjective
an·​ti·​pro·​lif·​er·​a·​tive | \ -prə-ˈlif-ə-ˌrāt-iv, -rət-iv How to pronounce antiproliferative (audio) \

Medical Definition of antiproliferative

: used or tending to inhibit cell growth antiproliferative effects on tumor cells