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
Courtney Howard, Variety, 15 Mar. 2026
Organic Weed Control Techniques One of the cheapest ways to block weeds is to use uncoated cardboard or newspaper between garden rows.
—Mary Marlowe Leverette, Southern Living, 14 Mar. 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
Julia’s psychosis starts to shatter, overcome by cardboard shipping boxes and torturous insomnia.
—Courtney Howard, Variety, 15 Mar. 2026
Organic Weed Control Techniques One of the cheapest ways to block weeds is to use uncoated cardboard or newspaper between garden rows.
—Mary Marlowe Leverette, Southern Living, 14 Mar. 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 17 Mar. 2026.
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