We found 22 dictionaries that define the word tongue in cheek:

General (18 matching dictionaries)

1. tongue in cheek: Longman Dictionary of Contemporary English
2. tongue-in-cheek, tongue in cheek: Merriam-Webster
3. tongue-in-cheek, tongue in cheek: Oxford Learner's Dictionaries
4. tongue-in-cheek: American Heritage Dictionary of the English Language
5. tongue in cheek: Collins English Dictionary
6. tongue-in-cheek: Vocabulary.com
7. tongue-in-cheek, tongue in cheek: Cambridge Advanced Learner's Dictionary
8. tongue-in-cheek, tongue in cheek: Wiktionary
9. tongue-in-cheek: Webster's New World College Dictionary, 4th Ed.
10. (with) tongue in cheek, tongue-in-cheek, tongue in cheek: Dictionary.com
11. Tongue-in-cheek, Tongue in cheek: Wikipedia, the Free Encyclopedia
12. tongue-in-cheek: Rhymezone
13. tongue-in-cheek: FreeDictionary.org
14. tongue-in-cheek: Mnemonic Dictionary
15. Tongue in Cheek: The Word Detective
16. Tongue in cheek, tongue-in-cheek: TheFreeDictionary.com

Computing (1 matching dictionary)

17. Tongue in cheek: Encyclopedia

Medicine (1 matching dictionary)

18. Tongue in cheek: Medical dictionary

Miscellaneous (1 matching dictionary)

19. tongue-in-cheek, tongue in cheek: Idioms

Slang (1 matching dictionary)

20. Tongue-in-cheek: Urban Dictionary

Definitions from Wiktionary (Tongue in cheek) ▸ adjective:  Alternative form of tongue-in-cheek [(idiomatic) Not intended seriously; jocular or humorous.] Similar: humourous, humorous, facetious, jokingly, banteringly, tongue in chic, sharptongued, openmouthed, cheek-to-jowl, smily, more... Opposite: serious, earnest, honest Phrases: with tongue in cheek, tongue in cheek insincere, more... Adjectives: jokey, tongue-in-cheek, jocular, gelastic, joky, jestful, smart, dry, humorful, jocose ▸ Words similar to tongue in cheek ▸ Usage examples for tongue in cheek ▸ Idioms related to tongue in cheek ▸ Wikipedia articles (New!) ▸ Popular nouns described by tongue in cheek ▸ Words that often appear near tongue in cheek ▸ Rhymes of tongue in cheek ▸ Invented words related to tongue in cheek