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[sis-ter-lee] /ˈsɪs tər li/
of, like, or befitting a sister:
sisterly affection.
in the manner of a sister; as a sister.
Origin of sisterly
First recorded in 1560-70; sister + -ly
Related forms
sisterliness, noun
unsisterly, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for sisterly
Contemporary Examples
Historical Examples
  • Because you are the best, the most consoling, the most sisterly of beings.

  • Why could he not be content with the sisterly regard she had ever felt toward him?

    The Elm Tree Tales F. Irene Burge Smith
  • There was no question of kissing or in any way sealing her sisterly devotion.

    The Prisoner Alice Brown
  • It had such a sisterly sound coming from this sweet creature.

    Hidden Hand

    Emma Dorothy Eliza Nevitte Southworth
  • That makes her grin a little, and she pats my hand kind of sisterly like.

    Shorty McCabe Sewell Ford
  • The rejection of him as a lover rendered the sisterly attitude impossible.

    Michael E. F. Benson
  • She could be sisterly to him over this without suggesting to him what she could not be to him.

    Michael E. F. Benson
British Dictionary definitions for sisterly


of, resembling, or suitable to a sister, esp in showing kindness and affection
Derived Forms
sisterliness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sisterly

1560s, from sister + -ly (1). Related: Sisterliness.

Online Etymology Dictionary, © 2010 Douglas Harper
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