Antonyms of adj jovial

1 sense of jovial

Sense 1
gay, jocund, jolly, jovial, merry, mirthful -- (full of or showing high-spirited merriment; "when hearts were young and gay"; "a poet could not but be gay, in such a jocund company"- Wordsworth; "the jolly crowd at the reunion"; "jolly old Saint Nick"; "a jovial old gentleman"; "have a merry Christmas"; "peals of merry laughter"; "a mirthful laugh")

INDIRECT (VIA joyous) -> joyless -- (not experiencing or inspiring joy; "a joyless man"; "a joyless occasion"; "joyless evenings")

Similarity of adj jovial

1 sense of jovial

Sense 1
gay, jocund, jolly, jovial, merry, mirthful -- (full of or showing high-spirited merriment; "when hearts were young and gay"; "a poet could not but be gay, in such a jocund company"- Wordsworth; "the jolly crowd at the reunion"; "jolly old Saint Nick"; "a jovial old gentleman"; "have a merry Christmas"; "peals of merry laughter"; "a mirthful laugh")
       => joyous (vs. joyless) -- (full of or characterized by joy; "felt a joyous abandon"; "joyous laughter")