rumple /ˈɹʌmpəl/verb 2noun 1forms 3phrases 1 verb2 •To make wrinkled, particularly fabric.I'll rumple my bedsheets so it looks like I was here last night. •To muss; to tousle. noun1 •A wrinkle. formsrumpled · rumpling · rumples Phrases with rumple rumple upto cause to become rumpled