From Longman Dictionary of Contemporary Englishshapelessshape‧less /ˈʃeɪpləs/ adjective1SHAPE#not having a clear or definiteshapea shapeless dress2CLEAR/EASY TO UNDERSTANDsomething such as a book or a plan that is shapeless does not seem to have a clear structure —shapelessly adverbExamples from the Corpusshapeless• Soon, she thought, he would take to wearing shapelessbrowncoats, and drinking beer for breakfast instead of coffee.• People trudged on, carrying shapelessbundles full of clothes or bedding.• Helen's hat was limp and shapeless from the rain.• He wore a shapelessgraycap and arrived in a sputtering old Modelknocked at the door asking if Walton was there.• He was wearing a shapelessgrey coat which really did not fit him.• A briefmood of shapelesshysteria took hold of the claustrophobic young community, which ended abruptly with a short holiday.• She will be reduced to wearing baggyjumpers and those shapelessmonsters, maternitydresses, for the next nine months.• The prisoners wear shapelessorangeuniforms.• She was dressed poorly in a tattered knitsweater and a shapelessskirt.• He looked dirty and was wearing an ugly, shapelesssuit.• He could describe the men only as he had seen them, masked, in shapelesstracksuits.