Mississippi /ˌmɪ.sɪˈsɪ.pi/exclamation 1noun 4forms 1 exclamation1 •Used in a common chronometric counting scheme, in which each iteration is sequentially numbered and supposed to equal approximately one second in length.Any reader who uses the old “One Mississippi, Two Mississippi, etc.” method to estimate distance to a storm, and doesn't get any further than a count of five to eight had better be in a safe shelter. — 1996 noun4 •A major river in the United States, flowing southward from north-central Minnesota through Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Minnesota and Louisiana, emptying into the Gulf of Mexico. •A state of the United States.Mississippi mud is soaked in black blood / How many more must die? — 1970 •A recitation of Mississippi (the interjection).I counted five Mississippis between each flash of lightning and the thunder crash that followed. — 1997 •A variant of bagatelle. formsMississippis