1 [mass noun] the relationship between sisters:much of sisterhood is about sharing lipsticks
the feeling of kinship with and closeness to a group of women or all women:Canadian feminists acknowledge their sisterhood with women around the globe
2 (often Sisterhood) an association, society, or community of women linked by a common interest, religion, or trade:the Anglicans set up Sisterhoods all over Englandthey’ve accused me of letting down the Sisterhood
sisterhood in other Oxford dictionaries
Definition of sisterhood in the US English dictionary