We found 30 dictionaries that define the word decorum:

General (25 matching dictionaries)

1. decorum: Merriam-Webster.com
2. decorum: Oxford Learner's Dictionaries
3. decorum: American Heritage Dictionary of the English Language
4. decorum: Collins English Dictionary
5. decorum: Vocabulary.com
6. Decorum, decorum: Wordnik
7. decorum: Cambridge Advanced Learner's Dictionary
8. decorum: Wiktionary
9. decorum: Webster's New World College Dictionary, 4th Ed.
10. decorum: The Wordsmyth English Dictionary-Thesaurus
11. decorum: Infoplease Dictionary
12. Decorum, decorum: Dictionary.com
13. decorum: Online Etymology Dictionary
14. decorum: Cambridge Essential American English Dictionary
15. Decorum: Wikipedia, the Free Encyclopedia
16. Decorum: Online Plain Text English Dictionary
17. decorum: Webster's Revised Unabridged, 1913 Edition
18. decorum: Rhymezone
19. decorum, decorum (het): AllWords.com Multi-Lingual Dictionary
20. decorum: Webster's 1828 Dictionary
21. decorum: Free Dictionary
22. decorum: Mnemonic Dictionary
23. decorum: Dictionary/thesaurus

Art (1 matching dictionary)

24. decorum: ArtLex Lexicon of Visual Art Terminology

Business (2 matching dictionaries)

25. Bouvier's Law Dictionary 1856 Edition (No longer online)
26. decorum: Legal dictionary

Medicine (1 matching dictionary)

27. online medical dictionary (No longer online)

Science (1 matching dictionary)

28. decorum: Dictionary of Botanical Epithets

(Note: See decorums as well.)

Definitions from Wiktionary ( ) ▸ noun:  (uncountable) Appropriate social behavior. ▸ noun:  (countable) A convention of social behavior. Similar: decorousness, good form, courtesy, etiquette, propriety, decency, class, comportment, dignity, urbanity, more... Opposite: indecency, indecorum, indecorousness Types: propriety, decency, respectability, seemliness, more... Phrases: dulce et decorum est pro patria mori, Dulce et Decorum est, lacking decorum, with decorum, more... Adjectives: proper, social, greater, due, more, public, perfect, utmost, strict, certain, outward Colors:     burgundy,     charcoal,     ivory,     sage,     taupe, more... ▸ Word origin ▸ Words similar to decorum ▸ Usage examples for decorum ▸ Idioms related to decorum ▸ Wikipedia articles (New!) ▸ Popular adjectives describing decorum ▸ Words that often appear near decorum ▸ Rhymes of decorum ▸ Invented words related to decorum