bound
n. countablen. a limit or boundary that marks where something ends. It is often used to describe the highest or lowest possible amount of something.
n. a limiting value or boundary that defines the extent of a set, range, or space. Often used in mathematical or logical contexts to denote the constraints within which a variable or value must remain.
There is no upper bound to how much you can learn.
The researchers established a lower bound for the temperature required to trigger the chemical reaction.
In computational theory, the upper bound represents the maximum amount of time or resources an algorithm requires to complete its task under the most demanding conditions.
Commonly paired with the adjectives 'upper' or 'lower' to specify the nature of the limit.