Look up Sister or sister in Wiktionary, the free dictionary.

A sister is a female sibling.

Sister may also refer to:

Role or title

• Sister, the title of address for a nun
• Sister, a title usually preceding a surname as a way to address a female parishioner in some Protestant church settings
• Sister, a Jehovah's Witness term of address for a female co-religionist
• Sister, a Mormon term of address for a female co-religionist
• Sister, a Muslim term of address for a female co-religionist
• Sister, a female member of a peer group
• Sister, a term of address for a female member of the Rainbow Family of Living Light
• Sister, a member of a sorority
• Nursing sister, a senior female nurse
• Religious sister (Catholic), a female member of certain Christian religious communities similar to but distinct from a nun

Arts and entertainment

Other uses

• Sister group, in phylogenetics
• Sister ship
• Amanda Sister (born 1990), South African footballer
• USS Sister (SP-822), a United States Navy tug in commission from 1917 to 1919

See also

• Sisters (disambiguation)
• Sister city
• Little Sister (disambiguation)
• Big Sister (disambiguation)
• All pages with titles beginning with Sister
• All pages with titles containing Sister
• Adelpha or sisters, a butterfly genus
• Kakak (Sister), a 2015 Indonesian film