Crinkle/ˈkrɪŋkl/ Definition 1 of 4Pro Tip 1/2Intentional Action To 'crinkle' something usually means to do it deliberately. I crinkle the edges of my notes to find them easily. Pro Tip 2/2Soundless Process 'Crinkle' as a verb may imply action without sound when folding. Carefully, she began to crinkle the cloth for the art project.