Multiple choice softskills communication Antonym of bacchanalian bacchanal sober carousing orgiastic Reveal answer Fill a bubble to check yourself B Correct answer Explanation Bacchanalian refers to wild, drunken revelry (from Bacchus, Roman god of wine). Sober is the direct opposite, meaning not intoxicated. Bacchanal is a related noun (the revelry itself). Carousing and orgiastic are synonyms meaning wild partying.