May 23, 2026 · The meaning of MAXIMUM is the greatest quantity or value attainable or attained.

MAXIMUM definition: the greatest quantity or amount possible, assignable, allowable, etc. See examples of maximum used in a sentence.

/ ˈmæk·sə·məm / Add to word list being the largest amount or number allowed or possible: a maximum penalty / sentence

1. the highest amount, value, or degree attained or attainable. 2. an upper limit allowed by law or regulation.

Maximum and maximal take things to the max. In everyday speech and writing, both words describe the largest, greatest, fastest, or best of something. But while maximum can be an adjective or a noun, …

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If you say that something is a particular amount maximum, you mean that this is the greatest amount it should be or could possibly be, although a smaller amount is acceptable or very possible.

The comprehensive definition of maximum. Includes pronunciation, synonyms, etymology, and usage examples to help you master this word.

In mathematical analysis, the maximum and minimum[a] of a function are, respectively, the greatest and least value taken by the function.

Maximum definition: An upper limit permitted by law or other authority.