Maximal (adjective)

1. Greatest possible; the most that can be achieved.
2. Largest or most intense.

Origin:

From latin maximus ("greatest"), from maxima ("greatest") + -al.

Examples:

1. The company aims to achieve maximal profits.
2. We are trying to achieve maximal efficiency in our processes.
3. The maximal speed limit on the highway is 70 mph.
4. We are trying to achieve maximal results with minimal effort.
5. The workout aims to achieve maximal muscle gain.