Definition of res ipsa loquitur in English:

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res ipsa loquitur

Pronunciation: /ˌrēz ˌipsə ˈläkwitər/ /ˌrās/ /ˈlōkwəˌto͝or/


The principle that the occurrence of an accident implies negligence.
Example sentences
  • A claim of res ipsa loquitur will usually not succeed, or indeed be necessary, if there is any actual evidence about how the loss or injury was sustained.
  • Res ipsa loquitur does not excuse the finder of fact from determining "how the specific negligence occurred".
  • As to causation, the Judge decided that the maxim ‘res ipsa loquitur’ applied.


Latin, literally 'the matter speaks for itself'.

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