The Collaborative International Dictionary
Perseverantly
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.]
Wiktionary
perseverantly
adv. With perseverance; persistently.