The Collaborative International Dictionary of English v.0.48:

Resurgent \Re*sur"gent\, a. [L. resurgens, -entis, p. pr. of
   resurgere. See Resurrection.]
   Rising again, as from the dead. --Coleridge.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Resurgent \Re*sur"gent\, n.
   One who rises again, as from the dead. [R.] --Sydney Smith.
   [1913 Webster]

WordNet (r) 3.0 (2006):

resurgent
    adj 1: rising again as to new life and vigor; "resurgent
           nationalism" [syn: resurgent, renascent]