KINGDOM OF BELGIUM(noun) Did you mean: Synonyms Rhymes Also try: ofkingbelgiumDefinitions There is 1 meaning of the phrase Kingdom Of Belgium. Kingdom Of Belgium - as a noun A monarchy in northwestern europe; headquarters for the european union and for the north atlantic treaty organization Synonyms (Exact Relations)belgiquebelgiumWord Variations & RelationsStarts K Starts KI Starts KIN Starts KING Ends M Ends UM Ends IUM Ends GIUM Starts K & ends M Starts KI & ends M Starts K & ends UM A-Z Proximitieskingcraft 19kingcrafts 20kingcup 16kingcups 17kingdom 15 Kingdom Of Belgium kingdomed 18kingdomless 19kingdoms 16kinged 12kingfish 19