Meanings
plural sistersons · alternative sister-son
- nonstandardpossiblyrareThe son of one's sister; sororal nephew
But next year, to conserve the soil, it'll be put in alfalfa, and my sisterson Willy takes care of it then.
1974, Martin Harry Greenberg, Patricia S. Warrick, Political Science Fiction4 more examples
The Svarfdalers came out there to the coast; among their company were the Thorgrimssons, sistersons of Ljot, and the men of Ljot's household.
1989, E. S. Shaffer, Comparative Criticism[…] Canon Tiedemann Giese (Polish Gize), a sisterson of the Ferbers Mauritius, Eberhard, and Hildebrand, to publish the pamphlet Floscvlorvm Lvtheranorvm De fide et operibus avēηλoуıкov, […]
2003, Jeremi Wasiutyński, The Solar MysterySlit nostrils and gouged eyes ensured that Apius's exiled sister-sons need not be considered by the Senators.
2010, Guy Gavriel Kay, Sailing to SarantiumBut the brothers and sons of Taminy were angry that Taminy was dead. And the sistersons of Taminy were angry, too.
2013, Iver Cooper, 1636: Seas of Fortune
Synonyms & antonyms
Origin
- Proto-Germanic*swestērsunuz
- Proto-West Germanic*swestersunu
- Old Englishsweostorsunu
- Middle Englishsysterson
- Englishsisterson
From Middle English systerson, sustersone, from Old English sweostorsunu, from Proto-West Germanic *swestersunu, from Proto-Germanic *swestērsunuz, equivalent to sister + son.
More words from Middle English, Old English, Proto-West Germanic
Full word history & related roots →Cite this entry
sisterson. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/sisterson
“sisterson.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sisterson. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “sisterson,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/sisterson.
Source: sisterson on Wiktionary, CC BY-SA 4.0.