Antonyms of adj jocular

1 sense of jocular

Sense 1
jesting, jocose, jocular, joking -- (characterized by jokes and good humor)

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

Similarity of adj jocular

1 sense of jocular

Sense 1
jesting, jocose, jocular, joking -- (characterized by jokes and good humor)
       => humorous (vs. humorless), humourous -- (full of or characterized by humor; "humorous stories"; "humorous cartoons"; "in a humorous vein")

Synonyms of adv jocular

1 sense of jocular

Sense 1
jocosely, jocular -- (with humor; "they tried to deal with this painful subject jocularly")