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sis

Definitions of sis
  1. noun
    a female person who has the same parents as another person
    synonyms: sister
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    Antonyms:
    blood brother, brother
    a male with the same parents as someone else
    types:
    big sister
    an older sister
    little sister
    a younger sister
    half sister, half-sister, stepsister
    a sister who has only one parent in common with you
    type of:
    female sibling
    a person's sister
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