sprightle,v.Midl.dial.|ˈspraɪt(ə)l| [Back-formation f. sprightly a.] intr. With up: to become lively or alert. 1896G. F. Northall Warwickshire Word-bk. 224 Sprightle up! excl., be lively, alert (sprightly).1920D. H. Lawrence Lost Girl ix. 206 Oh but she sprightles up a bit sometimes.