Meanings
proper noun
- The Russian Federal Penitentiary Service.
When contacted by phone, Spirin hung up without responding to questions. The FSIN did not respond.
2025 December 11, Juliette Garside, Stas Kozliuk, Poline Tchoubar, Guillaume Vénétitay, “‘She was very, very thin’: eyewitness sheds new light on Ukrainian journalist Viktoriia Roshchyna’s final days”, in The Guardian, →ISSN
Origin
- RussianФСИН
- EnglishFSIN
Borrowed from Russian ФСИН (FSIN).
More words from Russian
Full word history & related roots →Cite this entry
APA
FSIN. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/FSIN
MLA
“FSIN.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/FSIN. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “FSIN,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/FSIN.
Source: FSIN on Wiktionary, CC BY-SA 4.0.