grandioso grahn-dee-OE-zoe Your browser does not support the audio element. [ Italian , grand ] Definition 1. A directive to perform the indicated passage of a composition in a majestic, grand, noble style. 2. A term often used to designate the last repeat of the trio in a march which are typically performed in a grandiose manner. Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-05-31 23:07:56