A sister to whom one is biologically related through one parent only.
A sister through one parent only.
Other Word Forms
Origin of half-sister
From Middle English half-süster, equivalent to half- + sister. Compare Dutchhalfzus, halfzuster (“half-sister”), GermanHalbschwester (“half-sister”), Swedishhalvsyster (“half-sister”), Icelandichálf-systir (“half-sister”).
Half-sister Sentence Examples
He annexed the southern part of Navarre, which was held by the representatives of his half-sister.
In effect the King married his sister or half sister in order to become the rightful ruler.
According to Plutarch she urged her husband to take vigorous action against Catiline, who had compromised her half-sister Fabia, a vestal virgin; also to give evidence against Clodius, being jealous of his sister Clodia.
He may not know he has a half sister.
Auvergne after a few months' imprisonment was released, chiefly through the influence of his half-sister, his aunt, the duchess of Angouleme and his father-in-law.