Definitions
1.nounA thing that prevents, hinders, or acts as an obstacle to.
2.nounA thing that slows the development of an illness.
3.nounA contraceptive, especially a condom.
4.adjectivePreventing, hindering, or acting as an obstacle to.
5.adjectiveCarried out to deter military aggression.
6.adjectiveSlowing the development of an illness; prophylactic.
7.adjectiveGoing before; preceding.