Millett, Kate Syllabification: (Mil·lett, Kate)Pronunciation: /ˈmilit/Definition of Millett, Kate (1934-), US feminist; full name Katherine Murray Millett. She became involved in the civil rights movement of the 1960s and advocated a radical feminism in Sexual Politics (1970). Millett, Kate in other Oxford dictionaries Definition of Millett, Kate in the British & World English dictionary