[ buhst-uhp ]
/ ˈbʌstˌʌp /

noun Informal.

a separation or dissolution, as of a marriage or a close friendship.
a large party, especially a noisy one.
Chiefly British. a quarrel; disturbance; punch-up.

Origin of bust-up

First recorded in 1840–50; noun use of verb phrase bust up
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bust-up

British Dictionary definitions for bust-up


/ informal /


a quarrel, esp a serious one ending a friendship, etc
British a disturbance or brawl

verb bust up (adverb)

(intr) to quarrel and part
(tr) to disrupt (a meeting), esp violently
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012