maximum

from The American Heritage® Dictionary of the English Language, 4th Edition

• n. The greatest possible quantity or degree.
• n. The greatest quantity or degree reached or recorded; the upper limit of variation.
• n. The time or period during which the highest point or degree is attained.
• n. An upper limit permitted by law or other authority.
• n. Astronomy The moment when a variable star is most brilliant.
• n. Astronomy The magnitude of the star at such a moment.
• n. Mathematics The greatest value assumed by a function over a given interval.
• n. Mathematics The largest number in a set.
• adj. Having or being the greatest quantity or the highest degree that has been or can be attained: maximum temperature.
• adj. Of, relating to, or making up a maximum: a maximum number in a series.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• n. The highest limit.
• n. The greatest value of a set or other mathematical structure, especially the global maximum or a local maximum of a function.
• n. An upper bound of a set which is also an element of that set.
• n. The largest value of a batch or sample or the upper bound of a probability distribution.
• n. A 147 break; the highest possible break.
• n. A score of 180 with three darts.
• n. A scoring shot for 6 runs.
• adj. To the highest degree.

from the GNU version of the Collaborative International Dictionary of English

• adj. Greatest in quantity or highest in degree attainable or attained
• n. The greatest quantity or value attainable in a given case; or, the greatest value attained by a quantity which first increases and then begins to decrease; the highest point or degree; -- opposed to minimum.

from The Century Dictionary and Cyclopedia

• n. The greatest amount, quantity, or degree; the utmost extent or limit: opposed to minimum, the smallest.
• n. In mathematics, that value of a function at which it ceases to increase and begins to decrease.
• Greatest: as, the maximum velocity.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adj. the greatest or most complete or best possible
• n. the greatest possible degree
• n. the largest possible quantity
• n. the point on a curve where the tangent changes from positive on the left to negative on the right