Rumpling refers to the process of wrinkling or crushing something, usually a piece of clothing or a sheet. There are several other words that can be used as synonyms for rumpling, such as crumpling, creasing, wrinkling, tousling, crinkling, and crushing. All of these words describe the act of causing something to become uneven or disordered, either intentionally or unintentionally. For example, you might intentionally crumple a piece of paper before throwing it away, or accidentally crease your shirt when you forget to iron it. Regardless of the circumstance, these words all convey a similar sense of disruption to the smooth and orderly nature of an object or fabric.