Jan·sen·ism
ˈjan(t)-sə-ˌni-zəm
1
: a system of doctrine based on moral determinism, defended by various reformist factions among 17th and 18th century western European Roman Catholic clergy, religious, and scholars, and condemned as heretical by papal authority
2
: a puritanical attitude (as toward sex)
plural -s
1
: an adherent of Jansenism
2
: a member of the Church of Utrecht in Holland originating by schism from the Roman Catholic Church in 1723 and forming part of the Old Catholic Church since 1889
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variants
or less commonly Jansenistic
: of, relating to, or characteristic of the Jansenists or Jansenism
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Merriam-Webster unabridged



