cardboard

1. A stiff moderately thick paper (synset 114823771)
   is a type of:

   • paper - a material made of cellulose pulp derived mainly from wood or rags or certain grasses
   • packing, packing material, wadding - any material used especially to protect something
   subtypes:

   • binder board, binder's board - a cardboard used by bookbinders to make covers for books
   • card - thin cardboard, usually rectangular
   • corrugated board, corrugated cardboard - cardboard with corrugations (can be glued to flat cardboard on one or both sides)
   • paperboard, poster board, posterboard - a cardboard suitable for making posters
   • pasteboard - stiff cardboard made by pasting together layers of paper
   • strawboard - a coarse yellow cardboard made of straw pulp
   same as: composition board

1. Without substance (synset 301576718)
   "cardboard caricatures of historical figures"
   similar to: artificial, unreal - contrived by art rather than nature
   same as: unlifelike

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