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 formssis·ter·li·ness, nounun·sis·ter·ly, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sisterly

Contemporary Examples of sisterly

Historical Examples of sisterly

  • 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

British Dictionary definitions for sisterly



of, resembling, or suitable to a sister, esp in showing kindness and affection
Derived Formssisterliness, 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

Word Origin and History for sisterly

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

Online Etymology Dictionary, © 2010 Douglas Harper