Frisk (4)
'frisk' is the definition.
(I know that frisk can be written as gambol)
This is all the clue.
(Other definitions for gambol that I've seen before include "Frisk, frolic" , "Wager a frisk, by the sound of it" , "Frisk about and bet, by the sound of it" , "Playfully run or jump" , "Frolic, caper" .)
'frisk' is the definition.
(I know that frisk can be written as romp)
This is all the clue.
(Other definitions for romp that I've seen before include "Cut capers" , "Cavort" , "Boisterous activity" , "sexy fun" , "Rough play; easy victory" .)