Like parkour athletes (5)
I believe the answer is:
agile
(Other definitions for agile that I've seen before include "Nimble, lithe" , "Limber" , "Nimble, quick-moving" , "Nimble, supple" , "Dexterous" .)
I believe the answer is:
agile
(Other definitions for agile that I've seen before include "Nimble, lithe" , "Limber" , "Nimble, quick-moving" , "Nimble, supple" , "Dexterous" .)