We found 22 dictionaries that define the word know it all:

General (20 matching dictionaries)

1. know it all: Longman Dictionary of Contemporary English
2. know-it-all: Merriam-Webster
3. know-it-all: Oxford Learner's Dictionaries
4. know-it-all: American Heritage Dictionary of the English Language
5. know-it-all, know-it-all: Collins English Dictionary
6. know-it-all: Vocabulary.com
7. know-it-all: Wordnik
8. know-it-all: Cambridge Advanced Learner's Dictionary
9. know-it-all: Wiktionary
10. know-it-all: Webster's New World College Dictionary, 4th Ed.
11. know-it-all: Infoplease Dictionary
12. know-it-all, know it all: Dictionary.com
13. know-it-all: Cambridge Essential American English Dictionary
14. Know-It-All, Know-it-all, The Know-It-All: Wikipedia, the Free Encyclopedia
15. know-it-all: Rhymezone
16. know-it-all: FreeDictionary.org
17. know-it-all: Mnemonic Dictionary
18. know-it-all: TheFreeDictionary.com

Business (1 matching dictionary)

19. know-it-all: Legal dictionary

Slang (1 matching dictionary)

20. know-it-all: Urban Dictionary

Opposite: humble, unpretentious Phrases: a know it all, Mr. Know It All, acting like you know it all, as a know it all, know it all and inquisitive person, more... ▸ Words similar to know it all ▸ Usage examples for know it all ▸ Idioms related to know it all ▸ Wikipedia articles (New!) ▸ Words that often appear near know it all ▸ Rhymes of know it all ▸ Invented words related to know it all