Prophylactic

In some cases, mastectomy is prophylactic surgery - a preventive measure taken by those considered to be at high risk of breast cancer.

The government ordered a countrywide lockdown that included halting all flights and road travel as a prophylactic measure to prevent the spread of coronavirus.

Prophylactic medicine is very important.

I was prescribed several prophylactic drugs.

It is not clear whether such education is to be directed to homosexuals (for whom prophylactics are not a contraceptive) or to heterosexuals as well (for whom prophylactics are a contraceptive).

Given the widespread use of coitus interruptus and male prophylactics as contraceptive practices in France […]

Some men put the prophylactic on just the tip of the penis: this is a mistake, because the prophylactic will come off.

The securities laws are a prophylactic against stock fraud.

Since tere are increasingly powerful anti-free speech tendencies in the left in general and in the Lesbian and Gay movements in particular in the form of the antiporn movement and other tendencies, I will quote extensively from the second chapter of On Liberty, "On The Liberty Of Thought And Discussion," as a valuable and much needed prophylactic to these trends.