The meaning of MAXIMUM is the greatest quantity or value attainable or attained. 1. the highest amount, value, or degree attained or attainable. 2. an upper limit allowed by law or regulation. Synonyms for MAXIMUM: most, ultimate, utmost, max, largest, last, supreme, paramount; Antonyms of MAXIMUM: minimum, least, minimal, slightest, smallest, lowest, tiniest, minutest MAXIMUM definition: the greatest quantity or amount possible, assignable, allowable, etc. See examples of maximum used in a sentence. MAXIMUM meaning: 1. being the largest amount or number allowed or possible: 2. the largest amount allowed or…. Learn more. Experience the Maximum difference this season! Family-friendly competitions where athletes shine, families connect, and every team is valued. MAXIMUM definition: 1. being the largest amount or number allowed or possible: 2. the largest amount allowed or…. Learn more. In mathematical analysis, the maximum and minimum[a] of a function are, respectively, the greatest and least value taken by the function. Indian’s biggest and most powerful bikes are getting a star-spangled makeover. The swimsuit-clad actress and singer shared images from her Tuscan vacation with husband Benny Blanco. The Apple TV. Maximum Pleasure Guaranteed: Created by David Rosen. With Tatiana Maslany, Jake Johnson, Jessy Hodges, Jon Michael Hill. A divorced mom gets caught up in a perilous web of blackmail, murder, and youth soccer.