The Collaborative International Dictionary of English v.0.48:

Indesinent \In*des"i*nent\, a. [L. indesinens. See In- not,
   and Desinent.]
   Not ceasing; perpetual. [Obs.] --Baxter. --
   In*des"i*nent*ly, adv. [Obs.] --Ray.
   [1913 Webster]