maximum Definition

maximum
adj

1. Greatest possible.

Thesaurus: supreme, greatest, paramount, uppermost, highest, biggest, largest; Antonym: minimum.

noun maximums, maxima

1. The greatest or most; the greatest possible number, quantity, degree, etc. Also (chiefly US colloq) called the max.

Thesaurus: utmost, apogee, supremacy, nonpareil, pinnacle, zenith, crest, peak, summit, apex; Antonym: minimum.
2. geom.
In co-ordinate geometry: the point at which the slope of a curve changes from positive to negative.

Etymology: 18c: from Latin maximus greatest.