<p><strong>Verb</strong></p><ul><li>(used with object) to press or crush into irregular folds or into a compact mass; bend out of shape; rumple; wrinkle.</li><li>to cause to collapse or give way suddenly: That right hook to the midsection crumpled him.</li><li>(used without object) to contract into wrinkles; shrink; shrivel.</li><li>to give way suddenly; collapse: The bridge crumpled under the weight of the heavy trucks.</li></ul><p><strong>Noun</strong></p><ul><li>an irregular fold or wrinkle produced by crumpling.</li></ul><p><strong>End of Response</strong></p>