Minimum is fairly absolute and solid, and refers to the smallest number or amount possible. Minimum: the least or smallest amount or quantity possible, attainable, or required. Minimal is a little more flexible, where it refers to being the smallest amount or degree in non-absolute terms.
Does minimum mean at least?
It comes from the Latin word minimus, meaning “smallest” or “least.” ... Minimum is often used in the phrases bare minimum, meaning “the absolute least,” and at a minimum, meaning “at least,” as in At a minimum, we need to get five more done before the end of the day.
Does minimum mean more or less?
Minimum is Latin for smallest, so clearly English speakers have done less than the minimum amount of messing with the meaning of this word. Obviously, the opposite is maximum. At minimum, you should know that the word means the smallest limit of something.