expanded ex·pan·ded UK/ɛkˈspændɪd/ US/ɪˈkspændɪd/ fairly common adjective 1. increased in extent or size or bulk or scope Antonymscontracted Similardilateddistendedenlarged WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.