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Definition of overturn verb from the Oxford Advanced Learner's Dictionary

overturn

verb
 
/ˌəʊvəˈtɜːn/
 
/ˌəʊvərˈtɜːrn/
Verb Forms
present simple I / you / we / they overturn
 
/ˌəʊvəˈtɜːn/
 
/ˌəʊvərˈtɜːrn/
he / she / it overturns
 
/ˌəʊvəˈtɜːnz/
 
/ˌəʊvərˈtɜːrnz/
past simple overturned
 
/ˌəʊvəˈtɜːnd/
 
/ˌəʊvərˈtɜːrnd/
past participle overturned
 
/ˌəʊvəˈtɜːnd/
 
/ˌəʊvərˈtɜːrnd/
-ing form overturning
 
/ˌəʊvəˈtɜːnɪŋ/
 
/ˌəʊvərˈtɜːrnɪŋ/
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  1. [intransitive, transitive] if something overturns, or if somebody overturns it, it turns into a position in which the top of it is where the bottom of it normally is or on its side
    • The car skidded and overturned.
    • overturn something He stood up quickly, overturning his chair.
  2. [transitive] overturn something to officially decide that a legal decision, etc. is not correct, and to make it no longer legally recognized
    • to overturn a decision/conviction/verdict
    • His sentence was overturned by the appeal court.
    • He hopes that councillors will overturn the decision.
    Topics Preferences and decisionsc1, Law and justicec1
    Oxford Collocations Dictionaryadverb
    • completely
    verb + overturn
    • seek to
    • try to
    • fail to
    phrases
    • be easily overturned
    See full entry
  3. to show that a belief or an idea is not correct
    • She completely overturned my preconceptions about film stars.
    • This argument seems convincing, but is easily overturned.
See overturn in the Oxford Advanced American DictionarySee overturn in the Oxford Learner's Dictionary of Academic English
halfway
adverb
 
 
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