To fail to go far enough when trying to reach a goal.
3
Broadly To underestimate.
The first day, I think I undershot how much I should've been drinking, because it had almost no effect on me.2014, Dave Schilling, One of Our Writers Went on an All-Alcohol Diet for a Week:
Just weeks ago, however, America’s top epidemiologists badly undershot how quickly COVID-19 would spread.2020, Brendan Kirby, Experts made coronavirus forecasts in mid-March; they whiffed badly:
The situation where a neuron's membrane potential falls below the normal resting potential.
2
An instance of undershooting.
In this model, a fiscal or saving shock in one country leads to an overshoot of the real exchange rate between the two countries and of the real interest rate in the other country, and an undershoot of the real interest rate in the first country.1994, Peter B. Kenen, Francesco Papadia, Fabrizio Saccomanni, The International Monetary System, →ISBN, page 109: