Crumple/ˈkrʌmpl/ Definition 1 of 3Pro Tip 1/3Physical Action Used to describe the act of crushing something into smaller, wrinkled shape with hands. I watched him crumple the note in frustration. Pro Tip 2/3Active Destruction Signifies actively ruining the original form of an object, often paper. She crumpled the draft and tossed it into the bin. Pro Tip 3/3Emotional Expression Sometimes indicates a character's emotional state, such as anger or frustration. In anger, he crumpled the photo into his pocket.