(third-person singular simple present uncrumples, present participle uncrumpling, simple past and past participle uncrumpled)
- To return something which has been crumpled, closer to its original state.
- I took the wadded up letter from the trash and carefully uncrumpled it.
- (intransitive) Having been crumpled, to return closer to one's original state.
- As the newspaper uncrumpled, the picture on the frontpage become recognizable.
un- + crumple