confines con·fi·nes UK/ˈkɒnfaɪnz/ US/ˈkɑnfaɪnz/ uncommon noun 1. a bounded scope “he stayed with the confines of the city” Related words Broader terms scope WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.