Antonyms of adj tongue-in-cheek

1 sense of tongue-in-cheek

Sense 1
bantering, facetious, tongue-in-cheek -- (cleverly amusing in tone; "a bantering tone"; "facetious remarks"; "tongue-in-cheek advice")

INDIRECT (VIA humorous) -> humorless, humourless, unhumorous -- (lacking humor; "it was a humorless wink; a wink of warning"- Truman Capote)

Similarity of adj tongue-in-cheek

1 sense of tongue-in-cheek

Sense 1
bantering, facetious, tongue-in-cheek -- (cleverly amusing in tone; "a bantering tone"; "facetious remarks"; "tongue-in-cheek advice")
       => humorous (vs. humorless), humourous -- (full of or characterized by humor; "humorous stories"; "humorous cartoons"; "in a humorous vein")

Synonyms of adv tongue-in-cheek

2 senses of tongue-in-cheek

Sense 1
banteringly, tongue-in-cheek -- (in a bantering fashion; "he spoke to her banteringly")

Sense 2
facetiously, jokingly, tongue-in-cheek -- (not seriously; "I meant it facetiously")