Definition of "insurgent"

insurgent

/ɪnˈsəːdʒ(ə)nt/

adjective
not comparable
1. Rebellious, opposing authority.
  Quotations
  The insurgent provinces.
  1856, John Lothrop Motley, The Rise of the Dutch Republic
2. Of water: surging or rushing in.
  Quotations
  Vesuvio groans through all his echoing caves, / And Etna thunders o'er the insurgent waves.
  1791, Erasmus Darwin, The Economy of Vegetation, J. Johnson, page 33
noun
plural insurgents
1. One of several people who take up arms against the local state authority; a participant in insurgency.