maximum

noun

max·​i·​mum ˈmak-s(ə-)məm 

plural maxima ˈmak-sə-mə  or maximums ˈmak-s(ə-)məmz 

1

a

: the greatest quantity or value attainable or attained

b

: the period of highest, greatest, or utmost development

2

: an upper limit allowed (as by a legal authority) or allowable (as by the circumstances of a particular case)

3

: the largest of a set of numbers

specifically : the largest value assumed by a real-valued continuous function defined on a closed interval

maximum adjective

Synonyms

• max
• most
• outside

Examples of maximum in a Sentence

achieved the maximum

Recent Examples on the Web

The trade-in prices range from a maximum of £675 ($920.50) for the base Pixel 9, £820 ($1118.24) for the Pixel 9 Pro / XL and £1,045 ($1425.07) for the Pixel 9 Pro Fold. —Janhoi McGregor, Forbes.com, 24 June 2025

At the time, the Clermont City Council approved a zoning change from M-1 industrial to PUD, or Planned Unit Development, allowing the Heritage Square project to move forward with master plans calling for up to six buildings and a maximum of 60,000 square feet of space. —James Wilkins, The Orlando Sentinel, 23 June 2025

For those who delay claiming until age 70, the monthly benefit rises to a maximum of $5,108. —Aliss Higham, MSNBC Newsweek, 23 June 2025

All the more reason to dial up the economic and diplomatic pressure on Russia to the absolute maximum. —Andreas Kluth, Mercury News, 19 June 2025

Word History

Etymology

Latin, neuter of maximus biggest — more at maxim

First Known Use

1663, in the meaning defined at sense 1a

Phrases Containing maximum

• maximum likelihood
• maximum occupancy
• maximum security prison

Kids Definition

maximum

noun

max·​i·​mum ˈmak-s(ə-)məm 

plural maxima -sə-mə  or maximums

1

: the highest quantity, value, or development

2

: an upper limit allowed

maximum adjective

Medical Definition

maximum

noun

max·​i·​mum ˈmak-s(ə-)məm 

plural maxima -sə-mə  or maximums

1

a

: the greatest quantity or value attainable or attained

b

: the period of highest, greatest, or utmost development

2

: an upper limit allowed (as by a legal authority) or allowable (as by the circumstances of a particular case)

maximum adjective