Source : Webster's Revised Unabridged Dictionary (1913)

Perseverant \Per`se*ver"ant\, a. [L. perseverans, -antis, p.
   pr.: cf. F. pers['e]v['e]rant.]
   Persevering. [R.] ``Perseverant faith.'' --Whitby. --
   {Per`se*ver"ant*ly}, adv. [R.]