from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A material similar to thick, stiff paper, that is made of pressed paper pulp or pasted sheets of paper. It is used for making cartons and signs, for example.
- adj. Made of or consisting of cardboard.
- adj. Flimsy; insubstantial.
- adj. Lacking depth; superficial: a movie with only cardboard caricatures of its historical subjects.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A wood-based material resembling heavy paper, used in the manufacture of boxes and signs.
from the GNU version of the Collaborative International Dictionary of English
- n. A stiff compact pasteboard of various qualities, for making cards, etc., often having a polished surface.
from The Century Dictionary and Cyclopedia
- n. A stiff kind of paper made by pasting together two or more thicknesses of paper, drying and pressing; a thin pasteboard.
- n. A thin board, with a short handle, 5 inches wide and 12 inches long, to which is fastened card-clothing for carding wool, cotton, and the like by hand.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. without substance
- n. a stiff moderately thick paper
card + board (Wiktionary)