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Synonyms

overturn

American  
[oh-ver-turn, oh-ver-turn] / ˌoʊ vərˈtɜrn, ˈoʊ vərˌtɜrn /

verb (used with object)

  1. to cause (something) to turn onto its side, face, or back; upset.

    to overturn a vase.

  2. to destroy the power or validity of; overthrow; defeat: The new findings have not overturned the theory itself.

    The conspiracy finally overturned the regime.

    The new findings have not overturned the theory itself.

    Synonyms:
    conquer
  3. to reverse (an official or legal decision).

    Rather than accept defeat, the company filed a complaint in federal appeals court to overturn the ruling.


verb (used without object)

  1. to turn onto its side, face, or back; capsize.

    When his canoe overturned, he lost scientific instruments and journals.

noun

  1. the act of overturning.

  2. the state of being overturned.

overturn British  

verb

  1. to turn or cause to turn from an upright or normal position

  2. (tr) to overthrow or destroy

  3. (tr) to invalidate; reverse

    the bill was passed in the Commons but overturned in the Lords

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. the act of overturning or the state of being overturned

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See upset.

Other Word Forms

  • overturnable adjective

Etymology

Origin of overturn

First recorded in 1175–1225; Middle English; over-, turn

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Of course, this ruling may be overturned in time.

From Los Angeles Times

The latter is often the easiest and most common way a will is contested and/or overturned.

From MarketWatch

At least 22 migrants have been killed and 65 others injured after a lorry they were travelling in overturned in Ethiopia's north-eastern Afar region, authorities say.

From BBC

The boat overturned on Wednesday midnight near Jinack village in the North Bank Region and it was later found "grounded on a sandbank", the country's defence ministry said in a statement.

From BBC

The idea that loved ones are laid to rest in their grave in perpetuity may be romantic, but in many cases may need to be overturned.

From BBC