Ant. Seriousness, gravity, earnest.
Jest, v. Joke, sport, rally, banter, ridicule, mock, grin.
Ant. Preach, sermonize.
Jocose. Humorous, facetious, witty, droll, funny, comical, jocular, sportive, merry, waggish.
Ant. Melancholy, serious, earnest, grave, lugubrious.
Jocund. Joyous, joyful, merry, frolicsome, blithe, jolly, sportive, lively, playful, airy, gay, debonair, jovial, gleeful, careless, blithesome, mirthful, hilarious, sprightly, vivacious.
Ant. Melancholy, dull, sorrowful, grave, mournful, cheerless, rueful, doleful, careworn, woful.
Join. Add, attach, annex; connect, couple, link, unite, conjoin, cement; adjoin, be adjacent to, connect with; associate with, confederate, league.
Ant. Separate, disconnect, disjoin, subtract, sever.
Joint. Juncture, union; flexure, elbow, knee, articulation.