Definition of fissiparous in US English:



  • 1Inclined to cause or undergo division into separate parts or groups.

    ‘she was unsuccessful in holding a fissiparous membership together’
    • ‘Despite their fissiparous tendencies, they spread steadily.’
    • ‘During the past two weeks, the Union of the Parliaments has become more fissiparous than at any time since 1707.’
    • ‘We have too many fissiparous tendencies in the two countries to take risks.’
    • ‘There are clear limits to what voluntary organizations can do to remedy the fissiparous tendencies of an inherently selfish capitalism.’
    • ‘His coalition is broad and fissiparous, and the communists, who were the ruin of his last government, made a strong showing.’
    1. 1.1Biology (of an organism) reproducing by fission.
      ‘small fissiparous worms’
      • ‘Regeneration has been entrained to complete an asexual life cycle in fissiparous and comet-forming starfish.’
      • ‘It is noted that fissiparous and cometforming starfish have entrained the regeneration pathway into their life cycle.’


Mid 19th century: from Latin fissus, past participle of findere ‘split’, on the pattern of viviparous.