Origin of sister
Related formssis·ter·less, adjectivesis·ter·like, adjectivenon·sis·ter, noun, adjective
Examples from the Web for sister
The unit is used to attack foreign networks, and either it or a sister organization was involved in the Sony hack.
She and her sister went into business together in 1997, opening Curve Salon after a career in media.
Because especially my sister is not capable of doing the stuff that he is accusing her of doing.
She told TIME magazine in 1987 that Crawford was the “sister I never had.”Inside the Lifetime Whitney Houston Movie’s Lesbian Lover Storyline|Kevin Fallon|December 16, 2014|DAILY BEAST
And that solution came from a homemade brew Branch and her sister created together.
The hut was large enough for her and her sister, only too small to entertain visitors.Ishmael|Mrs. E. D. E. N. Southworth
The King subsequently sailed on his intended visit to the sister island, and arrived off the coast in due course.Memoirs of the Court of George IV. 1820-1830 (Vol 1)|Duke of Buckingham and Chandos
He ran to the window through which his sister Janet, or Jan as she liked to be called, was looking.The Curlytops Snowed In|Howard R. Garis
Indeed, my dear Faulkland, my sister has reason for her fears.Memoirs of Miss Sidney Biddulph|Frances Sheridan
As for the letter from my sister Mary it was to the same purpose.Montezuma's Daughter|H. Rider Haggard