皺皺(しわしわ)crumpled, wrinkled

おばあちゃんの手(て)はシワシワだ。

Grandma's hands are wrinkled. {crumpled, wrinkled}

シワシワのお札(さつ)を手(て)で真(ま)っ直(す)ぐ伸(の)ばす。

Straighten out the wrinkled bill with your hand. {crumpled, wrinkled}

すぐにシワシワになる生地(きじ)は制服(せいふく)に向(む)いていない。

Fabric that gets wrinkled immediately is not suitable for uniforms. {crumpled, wrinkled}

笑顔(えがお)でシワシワになった彼女(かのじょ)の顔(かお)を見(み)て、僕(ぼく)も笑顔(えがお)になった。

Looking at her face, wrinkled into a smile, I found myself smiling as well. {crumpled, wrinkled}

お札(さつ)がシワシワすぎるせいで、自販機(じはんき)にお札(さつ)が吸(す)い込(こ)まれません。

The bill won't get sucked into the vending machine because it's too wrinkled. {crumpled, wrinkled}