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
Emily Hayes, Martha Stewart, 7 Mar. 2026
The name comes from the feeling of the fronds that are like cardboard.
—Tom MacCubbin, The Orlando Sentinel, 7 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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Noun
Experts recommend using cardboard, mulch, or wood chips instead, which feed the soil and naturally suppress weeds.
—Emily Hayes, Martha Stewart, 7 Mar. 2026
The name comes from the feeling of the fronds that are like cardboard.
—Tom MacCubbin, The Orlando Sentinel, 7 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 10 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
