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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.

That decision has now been overturned by Tuesday's ruling.

From BBC

Having overturned a 2-0 deficit to stun Manchester City at the same stage last season, that confidence is not unfounded.

From BBC

A Rio de Janeiro court has overturned a fine of more than $3 million against football star Neymar for allegedly damaging the environment by building an artificial lake at his mansion.

From Barron's

Nate takes the platter from her and puts it on the overturned crates we use as a coffee table.

From Literature

This week’s wins could unleash a barrage of new lawsuits, even if the verdicts are overturned in the appellate courts, as the companies, their supporters, and many 1st Amendment experts expect.

From Los Angeles Times