maximum /ˈmæksɪməm/noun 8adjective 1forms 2 noun8 •a point that an amount or number cannot or must not go aboveThis is the fundamental principle of good legislation. It is the art of conducting a nation to the maximum of happiness and the minimum of misery — 1806 •The greatest value of a set or other mathematical structure, especially the global maximum or a local maximum of a function. •An upper bound of a set which is also an element of that set. •The largest value of a batch or sample or the upper bound of a probability distribution. •A 147 break; the highest possible break. •(informal) A score of 180 with three darts. •(informal) A scoring shot for 6 runs. •(informal) maximum securityI just got out of maximum where I did 4 months for an arguent I had in the serving area. — 1983 adjective1 •To the highest degree.Use the proper dose for the maximum effect. formsmaxima · maximums