brainiest definition October 15, 2017 AZ Dictionary Link to this page adjective: superlative kind of brainy: many brainy. Related Sources Definition for "brainiest" superlative kind of brainy: many brainy. View More Sentence for "brainiest" Quote: “He was known as the… View More Same Context for "brainiest" ex-football View More How would you define brainiest? All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own! Your Full Name Your definition Post Definition
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