| Noun | 1. | run-up - a substantial increase over a relatively short period of time; "a runup in interest rates"; "market runups are followed by corrections" increase - a change resulting in an increase; "the increase is scheduled for next month" |
| 2. | run-up - the approach run during which an athlete gathers speed bowling - the playing of a game of tenpins or duckpins etc coming, approach, approaching - the act of drawing spatially closer to something; "the hunter's approach scattered the geese" broad jump, long jump - a competition that involves jumping as far as possible from a running start pole jump, pole jumping, pole vault, pole vaulting - a competition that involves jumping over a high crossbar with the aid of a long pole |