Crease (5)
'crease' is the definition.
(synonyms)
This is all the clue.
(Other definitions for wrinkle that I've seen before include "clever innovation" , "Tip; furrow" , "Slight crease in surface" , "Line (in flesh)" , "Valuable hint - handy dodge" .)
'crease' is the definition.
(I know that crease is a more specific form of fold)
This is all the clue.
(Other definitions for fold that I've seen before include "close" , "Congregation; (firm) go bankrupt" , "Sheep pen; disintegrate" , "Collapse; bend in half" , "Crease" .)
'crease' is the definition.
(I know that rumple is a more specific form of crease)
This is all the clue.
(Other definitions for rumple that I've seen before include "Dishevel, ruffle" , "Wrinkle, fold or crease" , "mess" , "disorder" , "Make (eg, bed) untidy" .)
'crease' is the definition.
(I know that pleat is a type of crease)
This is all the clue.
(Other definitions for pleat that I've seen before include "Fold in clothing" , "Crease" , "Leapt (anag)" , "Double fold in a garment" , "Flat fold of cloth" .)