Peart
Peart (pērt) , adjective
[A variant of pert, a.]
Active; lively; brisk; smart; -- often applied to convalescents; as, she is quite peart to-day. [O. English & Colloquial United States]
There was a tricksy girl, I wot, albeit clad in gray,
As peart as bird, as straight as bolt, as fresh as flowers in May.