card·board
ˈkärd-ˌbȯrd 
: a material made from cellulose fiber (such as wood pulp) like paper but usually thicker
1
: made of or as if of cardboard
2
: unreal, stereotyped
a play with cardboard characters
Examples of cardboard in a Sentence
Noun
Cover the windows with cardboard.
Adjective
The play had cardboard characters.
Recent Examples on the Web
Lucy Notarantonio, MSNBC Newsweek, 30 June 2025
The backing of a tracing paper pad typically is cardboard and semiflexible.
—Bestreviews, Mercury News, 27 June 2025
Jonel Aleccia, Chicago Tribune, 18 Mar. 2025
Takeout containers are cardboard rather than plastic.
—Christopher Elliott, Forbes, 23 Mar. 2025
See All Example Sentences for cardboard
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Noun
Enrich and socialize - Provide at least four hours daily free-roam/big-run time, digging boxes, chew-safe roots/branches, and cardboard tunnels.
—Lucy Notarantonio, MSNBC Newsweek, 30 June 2025
The backing of a tracing paper pad typically is cardboard and semiflexible.
—Bestreviews, Mercury News, 27 June 2025
Adjective
The boxes are cardboard and contain individual plastic packages of products.
—Jonel Aleccia, Chicago Tribune, 18 Mar. 2025
Takeout containers are cardboard rather than plastic.
—Christopher Elliott, Forbes, 23 Mar. 2025
See All Example Sentences for cardboard
Cite this Entry
“Cardboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cardboard. Accessed 14 Jul. 2025.
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