- maximum⇄adj. 1. greatest possible; largest or highest.
Ex. The maximum score on the test is 100.
2. having to do with a maximum or maximums.
Ex. a maximum period. - maximum⇄maximum, noun, pl.-mums,-ma,adjective.
- maximum⇄noun 1. the largest or highest amount; greatest possible amount; highest point or degree.
Ex. Drivers must not exceed a maximum of 55 miles an hour.
(SYN) limit.
2. relative maximum.