We found 32 dictionaries that define the word cardboard:

General (25 matching dictionaries)

1. cardboard: Merriam-Webster
2. cardboard: Oxford Learner's Dictionaries
3. cardboard: American Heritage Dictionary of the English Language
4. cardboard: Collins English Dictionary
5. cardboard: Vocabulary.com
6. Cardboard, cardboard: Wordnik
7. cardboard: Cambridge Advanced Learner's Dictionary
8. cardboard: Wiktionary
9. cardboard: Webster's New World College Dictionary, 4th Ed.
10. cardboard: The Wordsmyth English Dictionary-Thesaurus
11. cardboard: Infoplease Dictionary
12. Cardboard, cardboard: Dictionary.com
13. cardboard: Cambridge Essential American English Dictionary
14. Cardboard (paper product), Cardboard: Wikipedia, the Free Encyclopedia
15. Cardboard: Online Plain Text English Dictionary
16. cardboard: Webster's Revised Unabridged, 1913 Edition
17. cardboard: AllWords.com Multi-Lingual Dictionary
18. cardboard: FreeDictionary.org
19. cardboard: Mnemonic Dictionary
20. cardboard: TheFreeDictionary.com
21. cardboard: Wikimedia Commons US English Pronunciations
22. cardboard: Rhymezone
23. cardboard: Longman Dictionary of Contemporary English

Art (2 matching dictionaries)

24. cardboard: ArtLex Lexicon of Visual Art Terminology
25. English-Chinese Dictionary of Graphic Communications (Big 5) (No longer online)

Business (1 matching dictionary)

26. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

27. cardboard: Encyclopedia

Miscellaneous (1 matching dictionary)

28. cardboard: Idioms

Slang (1 matching dictionary)

29. cardboard: Urban Dictionary

Tech (1 matching dictionary)

30. Book Binding (No longer online)

(Note: See cardboarding as well.)

Definitions from Wiktionary ( ) ▸ noun:  A wood-based material resembling heavy paper, used in the manufacture of boxes, cartons and signs. ▸ adjective:  Made of or resembling cardboard; (figurative) flat or flavorless. Similar: flimsy, inferior, artificial, unreal, unlifelike, composition board, cardboard-box, cardboard box, paperboard, boxboard, more... Opposite: papyrus, papier-mâché, bamboo Types: corrugated, chipboard, corrugated board, more... Phrases: cardboard box, corrugated cardboard, cardboard city, cardboard cities, cardboard cassette, more... Adjectives: corrugated, heavy, white, thin, stiff, black, thick, light, gray, lightweight, colored Colors:     brown,     tan,     beige,     khaki,     buff, more... ▸ Words similar to cardboard ▸ Usage examples for cardboard ▸ Idioms related to cardboard ▸ Wikipedia articles (New!) ▸ Popular adjectives describing cardboard ▸ Popular nouns described by cardboard ▸ Words that often appear near cardboard ▸ Rhymes of cardboard ▸ Invented words related to cardboard