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


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