half-sister
- n a sister who has only one parent in common with you
- The AP talks to the Illinois Senator's half-sister Maya Soetoro-Ng, who stumped throughout the nomination battle and is reaching out to Asian Americans in the general.
- In an interview with PTI last week, Obama's half-sister Auma called Corsi's book "blatant lies.
- In 1987, he and half-sister Auma rode a dilapidated old bus from Kisumu, the provincial capital, 60 miles away.