最終更新: 2026-08-23
「婚前同棲」は罪ですか？
簡単な答え
はい、キリスト教では「婚前同棲」は罪とされています。
IsItASin · 最終更新: 2026-08-23
はい、キリスト教では「婚前同棲」は罪とされています。 1 Corinthians 6:18 — 'Flee from sexual immorality... sins against his own body.'
キリスト教が「婚前同棲」について教えること
Christian Denominations: How They Differ on Living Together Before Marriage
Catholic Church
Cohabitation involves proximity to grave matter (2390-2391); pastoral practice focuses on completing marriage, rectifying the household, and formation rather than harsh judgment of couples already living together.
Catechism of the Catholic Church
Protestant Churches
Most Protestant bodies teach against cohabitation as inconsistent with biblical sexuality, though some mainline voices accept committed cohabitation as a modern prelude.
Holy Bible (Protestant canon)
Eastern Orthodox
Orthodox practice expects couples living together to marry or separate; cohabitation is treated as fornication pastorally.
Orthodox Church Tradition
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キリスト教が「婚前同棲」について教えること
詳細な回答（英語） — 以下の詳細な分析は英語で提供されています。 英語の完全版を読む →
Christianity's traditional verdict on cohabitation follows its verdict on premarital sex, with an added structural point: living together is itself the sign and occasion of the thing reserved for marriage. The Catechism names 'free union' — cohabitation, concubinage — as 'a grave offense against the dignity of marriage' (2390), precisely because it takes the form of marriage (shared life, shared bed, shared rent) without the covenant. The scriptural core is unchanged across the tradition: 'let marriage be held in honor... and the marriage bed be undefiled' (Hebrews 13:4), with fornication (porneia) named in every stratum of the New Testament. The modern pastoral turn is different in tone, not doctrine: priests and pastors report that most cohabiting couples who approach the church for marriage are treated as couples to be regularized — a marriage to complete rather than a scandal to expel — and John Paul II's theology of the body frames chastity as the protection of love's total gift rather than a mere rule. The honest intra-Christian debate is empirical and pastoral, not moral: whether cohabitation before engagement correlates with later marital stability, and how to form consciences rather than merely police arrangements.
聖書参考文献
- 1 Corinthians 6:18 — 'Flee from sexual immorality... sins against his own body.'
- Hebrews 13:4 — 'Let marriage be held in honor among all, and let the marriage bed be undefiled.'
- 1 Thessalonians 4:3-5 — 'Abstain from sexual immorality; that each one of you know how to control his own body in holiness and honor.'
- Catechism of the Catholic Church 2390 — Free union, cohabitation without marriage, is a grave offense against the dignity of marriage.
あなたがすべきこと
以下の詳細な分析は英語で提供されています。
- If you are cohabiting and committed, bring the commitment into the covenant — marry sooner rather than later.
- If marriage is not on the table, the honest question is what the arrangement actually is — and the traditions ask it kindly but squarely.
- Christian: Read Hebrews 13:4 together; talk with a pastor about completing what you've begun.
- All: Churches, mosques, and synagogues will help you marry — ask; that is what they are for.
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Apply Scripture to Your Life →よくある質問
以下の詳細な分析は英語で提供されています。
Is living together before marriage a sin if we're not having sex?
The traditions are skeptical that the arrangement remains innocent, and each prohibits the setting itself: rules against unsupervised seclusion make the living arrangement presumptive.
The traditions are skeptical that the arrangement remains innocent, and each prohibits the setting itself: rules against unsupervised seclusion make the living arrangement presumptive. The rare chaste cohabitation (roommates by necessity) is analyzed by purpose and occasion — but a romantic couple sharing a bed-sit is presumed.
Doesn't cohabitation help test compatibility?
The traditions answer that marriage is a covenant to be formed, not a product to be tested, and that the testing posture itself undermines the commitment it hopes to preview.
The traditions answer that marriage is a covenant to be formed, not a product to be tested, and that the testing posture itself undermines the commitment it hopes to preview. Studies cited by religious educators point to 'sliding vs deciding' dynamics. The traditions do encourage deep compatibility conversations — before marriage.
We already live together — what should we do?
The unified counsel: complete the covenant; none of the traditions asks you to pretend the relationship doesn't exist — they ask it to become what it is pretending to be.
The unified counsel: complete the covenant; none of the traditions asks you to pretend the relationship doesn't exist — they ask it to become what it is pretending to be. Christianity invites marriage preparation and the wedding.
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