American English

Definition of preventive adjective from the Oxford Advanced American Dictionary

 

preventive

 adjective
adjective
NAmE//prɪˈvɛntɪv//
 
(also preventative
NAmE//prɪˈvɛntət̮ɪv//
 
)
[only before noun]
 
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intended to try to stop something that causes problems or difficulties from happening preventive medicine The police were able to take preventive action and avoid a possible riot. compare curative
See the Oxford Advanced Learner's Dictionary entry: preventive