Definition of vivisect in US English:



[with object]
  • Perform vivisection on (an animal) (used only by people who are opposed to the practice).

    • ‘It may be ethically objectionable to vivisect animals, or pursue profits at the expense of nature and community, but it is usually legal.’
    • ‘A further note on Victor's improbable career: when he is not creating life in the lab, or necromancing with mummy DNA, he apparently vivisects chimpanzees.’
    • ‘We teach them how to take living things and vivisect them.’
    • ‘Have we the right to make experiments on animals and vivisect them?’
    • ‘I've heard from another source about the vivisected dog story.’
    anatomize, cut up, cut open, lay open, dismember
    View synonyms


Mid 19th century: back-formation from vivisection.