From Longman Dictionary of Contemporary EnglishRelated topics: Daily lifecardboardcard‧board1 /ˈkɑːdbɔːd $ ˈkɑːrdbɔːrd/ noun [uncountable]
Image of cardboard
Dstiffthickbrown paper, used especially for making boxesa sheet of cardboardExamples from the Corpuscardboard• She fed the little slips of cardboard one by one into its grindingjaws.• By night it is lined with ragged figures, sleeping on cardboard or scraps of bubble-wrap.Related topics: Daily lifecardboardcardboard2 adjective1Dmade from cardboarda cardboard box2[only before noun]REAL/NOT IMAGINARYseemingsilly and not reala romantic novel full of cardboard charactersExamples from the Corpuscardboard• In one street, the pavement is stacked with cardboard boxes of Toshiba television sets.• Most of these romanticnovels are full of cardboardcharacters.• He put the papers into a cardboardfolder and tied it with a red ribbon.• The cedar lining that once protected fine cigars from deteriorating is equally efficacious at preservingcardboardrectangles from insect damage.• Then there's the furniture, notably the super-curvy bentwood chairs for Knoll and the cardboardstuff for Vitra.• Frank Gauci steps off the Callisto into the coldest winter ever clutching a cardboardsuitcase.