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
Los Angeles Times, 12 Apr. 2026
Today, there are hundreds of rejects packed in wood cabinets and cardboard boxes.
—Steve Hartman, CBS News, 11 Apr. 2026
Anna Ortiz, Chicago Tribune, 26 Feb. 2026
The backing of a tracing paper pad is typically cardboard and semiflexible.
—Bestreviews, Mercury News, 20 Feb. 2026
See All Example Sentences for cardboard
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Noun
Bennett and a security guard from the club would bring 20-30 of the jackets that would be placed in a coffin-like cardboard box and pushed into a 2,400-degree oven.
—Los Angeles Times, 12 Apr. 2026
Today, there are hundreds of rejects packed in wood cabinets and cardboard boxes.
—Steve Hartman, CBS News, 11 Apr. 2026
Adjective
Families and friends pile into cardboard watercraft of their own construction to commandeer through a course that, most of the time, ends with sinking vessels.
—Anna Ortiz, Chicago Tribune, 26 Feb. 2026
The backing of a tracing paper pad is typically cardboard and semiflexible.
—Bestreviews, Mercury News, 20 Feb. 2026
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 Apr. 2026.
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