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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.

Bobby, along with thousands of colleagues, carried his career out in a cardboard box.

From BBC • Apr. 28, 2026

In June, a 24-year-old was detained after officers found seven Amazon parrots in a cardboard box on his passenger floorboard.

From Los Angeles Times • Apr. 25, 2026

Gavilan collects cardboard and scrap metal for a living but it no longer puts food on the table.

From Barron's • Apr. 14, 2026

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

From Salon • Mar. 24, 2026

“How about the garage? You can put down that big piece of cardboard and tap on that?”

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

Vocabulary lists containing cardboard

List 3

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