Antonyms of adj witty

1 sense of witty

Sense 1
witty -- (combining clever conception and facetious expression; "his sermons were unpredictably witty and satirical as well as eloquent")

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

Similarity of adj witty

1 sense of witty

Sense 1
witty -- (combining clever conception and facetious expression; "his sermons were unpredictably witty and satirical as well as eloquent")
       => humorous (vs. humorless), humourous -- (full of or characterized by humor; "humorous stories"; "humorous cartoons"; "in a humorous vein")