- a jump in an upward direction；an informal Caribbean dance or celebration
noun: jump-up, plural noun: jump-ups
- 1. a jump in an upward direction they improvised with things lying around, such as jump-ups on to hay bails to work the legs improved production volumes and gold prices resulted in a significant jump-up in the revenues
- ▪ an informal Caribbean dance or celebration the carnival celebrations end here today with the traditional street jump-up apart from soca, calypso, and jump-up music, Lee was also a great exponent of ska music
- 2. Australian informal an escarpment.