present participle of maximize 2. to make something as great in amount, size, or importance as…. Find 67 different ways to say MAXIMIZE, along with antonyms, related words, and example sentences at Thesaurus.com. maximize (verb) maximize verb also British maximise / ˈmæksəˌmaɪz/ maximizes; maximized; maximizing Britannica Dictionary definition of MAXIMIZE [+ object] 1 6 days ago · The meaning of MAXIMIZE is to increase to a maximum. How to use maximize in a sentence. MAXIMIZE definition: to increase to the greatest possible amount or degree. See examples of maximize used in a sentence. Definition of maximize verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.