SIOUX CITY(noun)Did you mean?RhymesAlso 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 & RelationsAnagramsStarts SStarts SIStarts SIOStarts SIOUEnds YEnds TYEnds ITYEnds CITYStarts S & ends YStarts SI & ends YStarts S & ends TYWords containing SIOUXCITYA-Z Proximitiessinusoidally16sinusoids10siouansiouan-speakingsioux Sioux City sip5sipe6siped8sipes7siphon11