[noun] remedy that prevents or slows the course of an illness or disease; "the doctor recommended several preventatives" Synonyms: preventive, preventative
[noun] contraceptive device consisting of a thin rubber or latex sheath worn over the penis during intercourse Synonyms: condom, rubber, safety, safe
[adjective] capable of preventing conception or impregnation; "contraceptive devices and medications" Synonyms: contraceptive, antifertility
[adjective] tending to ward off; "the swastika...a very ancient prophylactic symbol occurring among all peoples"- Victor Schultze Synonyms: cautionary, preventive
[adjective] preventing or contributing to the prevention of disease; "preventive medicine"; "vaccines are prophylactic"; "a prophylactic drug" Synonyms: preventive, preventative