Vatican roulette

noun

The rhythm method.

Meanings

nounVatican roulette (uncountable)
  1. slanguncountableThe rhythm method.

Synonyms & antonyms

Origin

From the Catholic church's prohibitions on active methods of contraception, and its perceived lack of reliability. By analogy with Russian roulette.

Full word history & related roots →

Translations

Finnish varmat päivät
  • varmat päivätslang term for rhythm method
Cite this entry
APA

Vatican roulette. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Vatican%20roulette

MLA

“Vatican roulette.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Vatican%20roulette. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Vatican roulette,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Vatican%20roulette.

Source: Vatican roulette on Wiktionary, CC BY-SA 4.0.