Crumpled (7)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">crumpled</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for creased that I've seen before include "Wrinkled, rumpled" , "Needing ironing" , "Needing to be ironed?" , "Folded" , "Groovy" .)
(Other definitions for buckled that I've seen before include "folded under pressure" , "Fastened up - gave way" , "Bent" , "Securely fastened" , "collapsed" .)