- a stiff moderately thick paper
- without substance; "cardboard caricatures of historical figures"
- (The Cardboards) The Cardboards were one of the first bands in the local independent/experimental/punk/new wave scene in Pittsburgh, Pennsylvania,Mervis, Scott. "", Pittsburgh Post-Gazette, 2006-08-17, p. WE13. Retrieved on 2008-10-09. from around 1979 till 1985. ...
- A wood-based material resembling heavy paper, used in the manufacture of boxes and signs
- thick stiff paper produced by pasting several layers of paper together.
- General term for stiff, bulky paper such as index, tag, or bristol.
- A generic, non-specific term for heavy-duty, paper-based product. Do not use as a synonym for corrugated.
- Paper product made of unbleached kraft fiber, with two heavy outer layers and a wavy inner layer to provide strength.
- a thin, stiff material made of paper pulp and used in making cartons and other forms of packaging.
- Refers to all cardboard and pasteboard boxes, excluding waxed or laminated product boxes.
- A thin, stiff paperboard made of pressed paper pulp or sheets of paper pasted together. Used for playing cards, greeting cards, etc. Corrugated containers are not made of cardboard.
- layers of paper laminated into sheets of varying thickness, generally 0.006 inch (0.15 mm) or greater.
- A thin, stiff pasteboard, sometimes used for playing cards or signs. Misuse has extended the laymen’s definition to include boxboard (used to make folding cartons) and containerboard, a totally different material used to make corrugated board.
- Used to make cardboard boxes. A miracle invention of the twentieth century. Not archival. High acid content.
- A thick paper-based material.