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Showing results for cardboard. Search instead for plain cardboard.
Definitions

cardboard

[kahrd-bawrd, -bohrd] / ˈkɑrdˌbɔrd, -ˌboʊrd /
ADJECTIVE
paper
Synonyms
STRONG
disposable
WEAK
insubstantial paper-thin papery wafer-thin
Antonyms
WEAK
thick
ADJECTIVE
ponderous
Synonyms
STRONGEST
labored monotonous plodding stilted stodgy stuffy
WEAK
arid barren dry dull heavy humdrum lifeless long-winded pedantic pedestrian prolix stiff vapid verbose wooden
Antonyms
STRONGEST
exciting
WEAK
airy buoyant delicate fun light unburdensome
NOUN
card
Synonyms
STRONGEST
badge calendar check label poster program sheet ticket
STRONG
agenda billet docket fiberboard identification pass schedule square tally timetable voucher

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Then they added cardboard and a thick layer of mulch, using a no-dig gardening method called sheet mulching.

From Los Angeles Times • Mar. 30, 2026

In reality, my dad’s will was in a cardboard box next to the Christmas decorations.

From Salon • Mar. 24, 2026

A cardboard box found in a collector's "ramshackle" collection of vintage films contained two episodes of Doctor Who that have not been viewed since airing in the 1960s.

From BBC • Mar. 12, 2026

A new cardboard box for the sandwiches will help, he said.

From The Wall Street Journal • Mar. 7, 2026

The cardboard seems like a good idea at first.

From "Zara’s Rules for Record-Breaking Fun" by Hena Khan

Vocabulary lists containing cardboard

List 3

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