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Biological sisters who share many phenotypic facial features

A sister is a female sibling. Although the term typically refers to the consanguineal relationship, it is sometimes used endearingly to refer to non-consanguineal relationships.[1]

Sisters can be very stubborn at times but can also be sweet. Some sisters can be girly girls, others can be tomboys. One thing you might want to watch out for is drama because that can cause problems depending on what type of drama it is.


Two child sisters, circa 1911.
Three sisters, circa 1902.

The English word sister comes from Old Norse systir which itself derives from Proto-Germanic *swestēr, both of which have the same meaning, i.e. sister. Some studies have found that sisters display more traits indicating jealousy around their siblings than their male counterparts, brothers.[2] In some cultures, sisters are afforded a role of being under the protection by male siblings, especially older brothers from issues ranging from bullies or sexual advances by womanizers.[3] In some quarters the term sister has gradually broadened its colloquial meaning to include individuals stipulating kinship.[4] In response, in order to avoid equivocation, some publishers prefer the usage of female sibling over sister.[5] Males with a twin sister, sometimes view her as their female alter ego, or what they would have been like, if they had two X chromosomes.[6]

Sororal relationships[edit]

Various studies have shown that an older sister is likely to give a varied gender role to their younger siblings as well as being more likely to develop a close bond with their younger siblings.[7] Older sisters are more likely to play with their younger siblings.[8] Younger siblings display a more needy behavior when in close proximity to their older sister[9] and are more likely to be tolerant of an older sister's bad behavior.[10] Boys with only an older sister are more likely to display stereotypically male behavior, and such masculine boys increased their masculine behavior with the more sisters they have.[11] The reverse is true for young boys with several sisters, as they tend to be feminine, however, they outgrow this by the time they approach pubescence.[12] Boys with older sisters were less likely to be delinquent or have emotional and behavioral disorders.[13] A younger sister is less likely to be scolded by older siblings than a younger brother.[14] The most common recreational activity between older brother/younger sister pairs is art drawing.[7] Some studies also found a correlation between having an older sister and constructive discussions about safe sexual practices.[15] Some studies have shown that men without sisters are more likely to be ineffectual at courtship and romantic relationships.[16]

Famous sisters[edit]

Fictional works about sisters[edit]




See also[edit]


  1. ^ Mufwene, Salikoko S. "The pragmatics of kinship terms in Kituba." (1988): 441-454.
  2. ^ Volling, B. L.; McElwain, N.L.; Miller, A.L. (2002). "Emotion Regulation in Context: The Jealousy Complex between Young Siblings and its Relations with Child and Family Characteristics". Child Development 73 (2): 581–600.
  3. ^ Handbook of Cultural Psychiatry - Page 67, Wen-Shing Tseng - 2001
  4. ^ van der Burghe, Pierre (1987). The Ethnic Phenomenon. p. 27.
  5. ^ Olshewsky, Thomas (1969). Problems in the philosophy of language. p. 286.
  6. ^ McCallum, Robyn. "Other Selves: subjectivity and the doppelganger in Australian adolescent fiction. Example of the sister in a sentence "The sisters live in the convent at Lafayette Towers." Writing the Australian child: Texts and contexts in fictions for children (1996): 17-36.
  7. ^ a b Gender - Page 53, Leanne Franklin - 2012
  8. ^ Play from Birth to Twelve: Contexts, Perspectives, and Meanings, Doris Bergen 2015
  9. ^ Sisters and Brothers - Page 78, Judy Dunn - 1985
  10. ^ The Corsini Encyclopedia of Psychology and Behavioral Science, Volume 4, Charles B. Nemeroff, 2002 p 1524
  11. ^ Gender Development - Page 300, Lynn S. Liben - 2009
  12. ^ Gender Development, Sheri A. Berenbaum, 2013
  13. ^ Advances in Child Development and Behavior, Volume 26, p 161, 1996
  14. ^ He & she: how children develop their sex role identity, Wendy Schempp Matthews - 1979 p 162
  15. ^ Handbook of Adolescent Psychology, Contextual Influences on Adolescent Development, Laurence Steinberg, PhD - 2009 p 61
  16. ^ Leventhal, Gerald S. "Influence of brothers and sisters on sex-role behavior." Journal of Personality and Social Psychology 16.3 (1970): 452.

External links[edit]

  • The dictionary definition of sister at Wiktionary