Item 5 in Seven Noahide Laws

Do Not Engage in Forbidden Sexual Relations

Avoid sexual relationships prohibited within the traditional rabbinic framework.

Position
5
Form
Prohibition
Obligation
Mandatory
Wording status
Editorial paraphrase
Intended audience
All humanity according to the rabbinic Noahide framework
Last reviewed
28 June 2026

Names and terminology

Canonical name: Do Not Engage in Forbidden Sexual Relations

Source wording

Editorial paraphrase: Avoid sexual relationships prohibited within the traditional rabbinic framework.

Editorial paraphrase

Literal meaning

Avoid sexual relationships prohibited within the traditional rabbinic framework.

Broader interpretation

Traditional definitions reflect ancient kinship, marriage and sexual norms.

Historical context

This item belongs to Seven Noahide Laws. Rabbinic antiquity, drawing on interpretations of the Hebrew Bible; Ancient Jewish and rabbinic communities.

Practical meaning

Practical application requires attention to intention, consent, evidence, rights, foreseeable effects and the needs of all persons or beings affected.

Ethical purpose

To shape conduct, judgment or character in a way consistent with the wider framework.

Exceptions and disputes

Modern ethical analysis must distinguish harm, coercion and betrayal from rules based solely on historical status or identity.

Variations across schools or traditions

Wording and interpretation may vary between translations, denominations, schools and historical periods.

Modern application

Modern application should distinguish the historical formulation from present legal, social and ethical conditions.

Criticism and difficult cases

Modern ethical analysis must distinguish harm, coercion and betrayal from rules based solely on historical status or identity.

Truth By Reason analysis

Truth By Reason assesses this principle through evidence, intentions, rights, foreseeable consequences, consistency and the treatment of all affected beings.

Ethical themes

  • Family duties
  • Sexual conduct

Sources