This document summarizes Joos's 5 speech styles from most formal to least formal: frozen style for declamation and print, formal style to inform a captive audience, consultative style for strangers, casual style between friends, and intimate style between close people. It provides characteristics of each style regarding formality, planning, participation, vocabulary, and examples. Joo's styles are ranked based on the relationship between speaker/writer and listener/reader from most to least formal.