simple past tense and past participle of prevent

In a preventive way

(uncountable) The condition of being preventable / (countable) The extent to which something is preventable

In a manner that is preventative.

Preventing, hindering, or acting as an obstacle to. / Carried out to deter military aggression. / Slowing the development of an illness; prophylactic. / (obsolete) Going before; preceding.

(dated) A thing that prevents, hinders, or acts as an obstacle to. / (nonstandard) A thing that slows the development of an illness. / A contraceptive, especially a condom.

Tending to prevent; preventative.

present participle and gerund of prevent

Capable of being prevented.

Something that can be prevented.