verb (used without object), ca·roused, ca·rous·ing.
- to engage in a drunken revel: They caroused all night.
- to drink deeply and frequently.
- (intr) to have a merry drinking spree; drink freely
- another word for carousal
1550s, from Middle French carousser “drink, quaff, swill,” from German gar aus “quite out,” from gar austrinken; trink garaus “to drink up entirely.” Frequently also as an adverb in early English usage (to drink carouse).