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half sister

half sister

16 1.1
A sister who shares one parent with you but not both
  • noun
  • /hæf ˈsɪstər/
translation icon : media hermana
  • My half sister, Sarah, and I share the same mother but have different fathers.

Who is that half sister that didn't get any witchy powers?

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Examples

  • My father has a daughter from his first marriage, my older half-sister, Susie, who lives in New York City.

    Fiction book (1999)
  • Those are my half-sisters, and they're really great.

  • Maybe I even have a half sister.

  • Are we four sisters, half sisters or step sisters?

  • I found Rajan, our half sister.

  • I've got two half sisters and a half brother.

  • - Oh, she's my half sister and also my guardian.

  • Elizabeth lived under the rule of her father; then, her sickly half-brother, Edward; and later, her half-sister, Mary.

    Fiction book (1999)
  • Valerie and Fernanda, Jazz's half-sisters, had been a constant in her life throughout her earliest years.

    Fiction book (1990)
  • Nell's mother, my older half-sister Janet, is enrolled in a week-long screenwriting course team-taught by her current love interest.

    Fiction book (1996)

Synonyms

half-sister
vshalf sister
19 2.3

A sister who shares one parent with you but not both parents

is the same meaning written without a hyphen
half blood
vshalf sister
5.6

A person who shares only one parent with a brother or sister

is specific to a female relative rather than any gender

Surface Forms

half sister singular
half sisters plural

Morphology

half + sister

The meaning 'a sister who shares only one parent' is directly derivable from combining 'half' (indicating one of two parents shared) with 'sister' (female sibling). This kinship modifier pattern is cross-linguistically common and follows regular compositional rules, so a B1 learner who knows both words will readily understand the MWE.

Etymology

The noun half sister comes from the simple idea that half means sharing only one parent and sister means a female sibling. So a half sister is 'a sister who shares one parent but not both'.