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
• utmost

Examples of maximum in a Sentence

achieved the maximum

Recent Examples on the Web

The matter has become a tad more complicated in recent years, as UEFA and then the Premier League introduced rules saying clubs could only amortise a player’s fee to a maximum of five years. —Chris Weatherspoon, New York Times, 24 Sep. 2025

Viewers may cast up to 10 votes per voting method, with a maximum of 20 votes per couple each week. —Suzanne Blake, MSNBC Newsweek, 24 Sep. 2025

If convicted, Hernandez Santana faces a maximum statutory penalty of five years in prison and a $250,000 fine for possessing and discharging a firearm within a school zone, and a maximum of one year in prison and a $10,000 fine for interfering with a radio communication station. —Ingrid Vasquez, PEOPLE, 23 Sep. 2025

Combs is facing a maximum of 20 years in prison, with the two prostitution convictions carrying a possible sentence of up to 10 years each. —Jon Blistein, Rolling Stone, 23 Sep. 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