SIOUX CITY(noun) Did you mean: Rhymes Also try: citysiouxDefinitions There is 1 meaning of the phrase Sioux City. Sioux City - as a noun A city in northeastern iowa where the big sioux river joins the missouri Word Variations & RelationsAnagrams Starts S Starts SI Starts SIO Starts SIOU Ends Y Ends TY Ends ITY Ends CITY Starts S & ends Y Starts SI & ends Y Starts S & ends TY Words containing SIOUXCITY A-Z Proximitiessinusoidally 16sinusoids 10siouansiouan-speakingsioux Sioux City sip 5sipe 6siped 8sipes 7siphon 11