prophylactic
pro-phy-lac-tic
adjective
Intended to prevent disease or an undesirable outcome.
"The vaccine offers prophylactic protection."
noun
A medicine or treatment used to prevent a disease.
"He took a prophylactic against malaria."
noun
A rubber sheath worn during sex to prevent pregnancy or STIs.
"Always use a prophylactic for safe sex."
Thesaurus
Synonyms: preventative, healthful, preventive, rubber, safe, condom, safety, protective, antifertility, contraceptive, cautionary