deboned de·bo·ned UK/diːˈbəʊnd/ US/diˈboʊnd/ uncommon adjective 1. having had the bones removed “a boneless rib roast” “a boned (or deboned) fish” Synonymsboned Similarboneless WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.