Definitions for "Time pressure"
That period of the game when one or both players have used up most of their time and must make many moves with little deliberation. Naturally, this should be avoided since it often leads to mistakes or game-losing blunders.
When one or both players has used most of their allotted time, and must make moves with little or no thinking. This should be avoided if possible, as it often leads to mistakes or game losing blunders.
time trouble or zeitnot: Having very little time on one's clock (especially less than five minutes) to complete one's remaining moves. See Time control.