An inhabitant of the planet Jupiter; a Jovian.
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"
"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"
Cheerful and good-humoured; jolly, merry.
Pertaining to the planet Jupiter; Jovian.