Definition of deter verb from the Oxford Advanced American Dictionary

 

deter

 verb
verb
NAmE//dɪˈtər//
 
[transitive, intransitive]deter (somebody) (from something/from doing something)Verb Forms present simple I / you / we / they deter
 
he / she / it deters
 
past simple deterred
 
-ing form deterring
 
 
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to make someone decide not to do something or continue doing something, especially by making them understand the difficulties and unpleasant results of their actions I told him I wasn't interested, but he wasn't deterred. The high price of the service could deter people from seeking advice. see also deterrent
See the Oxford Advanced Learner's Dictionary entry: deter