Caper (5)
'caper' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for antic that I've seen before include "Playful or mischievous act" , "Frolic" , "old buffoon" , "Caper, trick" , "Grotesque, fantastic (archaic)" .)
'caper' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for lark that I've seen before include "Songbird - bit of fun" , "Game - bird" , "Soaring bird" , "Mess about" , "Bird that sings on the wing" .)