We found 28 dictionaries that define the word informality:

General (23 matching dictionaries)

1. informality: Merriam-Webster
2. informality: Oxford Learner's Dictionaries
3. informality: American Heritage Dictionary of the English Language
4. informality: Collins English Dictionary
5. informality: Vocabulary.com
6. Informality, informality: Wordnik
7. informality: Cambridge Advanced Learner's Dictionary
8. informality: Wiktionary
9. informality: Webster's New World College Dictionary, 4th Ed.
10. informality: The Wordsmyth English Dictionary-Thesaurus
11. informality: Infoplease Dictionary
12. Informality, informality: Dictionary.com
13. informality: Cambridge Essential American English Dictionary
14. Informality: Online Plain Text English Dictionary
15. informality: Webster's Revised Unabridged, 1913 Edition
16. informality: Rhymezone
17. Informality: AllWords.com Multi-Lingual Dictionary
18. informality: Webster's 1828 Dictionary
19. informality: FreeDictionary.org
20. informality: Mnemonic Dictionary
21. informality: TheFreeDictionary.com

Business (3 matching dictionaries)

22. informality: Merriam-Webster Legal Dictionary
23. Bouvier's Law Dictionary 1856 Edition (No longer online)
24. informality: Legal dictionary

Computing (1 matching dictionary)

25. informality: Encyclopedia

Medicine (1 matching dictionary)

26. online medical dictionary (No longer online)

(Note: See informal as well.)

Definitions from Wiktionary (informality) ▸ noun:  The condition of being informal. ▸ noun:  An informal term or usage; a colloquialism. Similar: ease, casualness, colloquiality, semiformality, colloquialness, formality, unformalizability, unofficialness, unformedness, unstructuredness, more... Types: casual, lax, informal, more... Phrases: moment of informality, more... Adjectives: easy, such, greater, relative, more, very, certain, friendly, relaxed, complete, extreme Colors:     beige,     olive,     denim blue,     mustard,     coral, more... ▸ Words similar to informality ▸ Usage examples for informality ▸ Idioms related to informality ▸ Wikipedia articles (New!) ▸ Popular adjectives describing informality ▸ Words that often appear near informality ▸ Rhymes of informality ▸ Invented words related to informality