American English

Definition of entrench verb from the Oxford Advanced American Dictionary

 

entrench

 verb
verb
NAmE//ɪnˈtrɛntʃ//
 
[usually passive] entrench something (sometimes disapproving)Verb Forms present simple I / you / we / they entrench
 
he / she / it entrenches
 
past simple entrenched
 
-ing form entrenching
 
 
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to establish something very firmly so that it is very difficult to change Sexism is deeply entrenched in our society. entrenched attitudes/interests/opposition This idea had firmly entrenched itself in his consciousness.
See the Oxford Advanced Learner's Dictionary entry: entrench