tongue-in-cheek
adjective, adverb
Forms tongue in cheek
- adjective (idiomatic) Not intended seriously; jocular or humorous. “He gave a tongue-in-cheek explanation of why the sky was blue, offering a theory about some primordial discount on light blue paint.”
- adverb (obsolete) With contempt.
- adverb With irony. “He portrayed them tongue-in-cheek as great lawgivers, as Solons.”
Synonyms
witty amusing bright diverting droll entertaining humorous jocose jocular piquant quick quick on the draw quick-witted sharp bantering facetious banteringly facetiously jokingly
Etymology
This phrase alludes to the facial expression created by putting one's tongue in one's cheek. The term first appeared in print in 1828, but it isn't entirely clear that it was used with the modern, rather than a literal, sense. A later citation from Richard Barham is unambiguous.
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “tongue-in-cheek”, CC BY-SA 4.0. Details