To wrinkle or form into folds or creases. (verb-transitive)
To become wrinkled or creased. (verb-intransitive)
An irregular or untidy crease. (noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "rumple" in a sentence
"I've got nary a line on my face and I'm now free to secretly eye the fissures that have started to rumple my friends 'faces."
"Feel us rumple through all that it's got: bed spreads, shower curtain, taste like apple bear claws from the continental breakfast: Philly cream cheese in foot-long foil squeeze."
"She smiled to herself at vagrant impulses which arose from nowhere and suggested that she rumple his hair; while he desired greatly, when they tired of reading, to rest his head in her lap and dream with closed eyes about the future that was to be theirs."