1. the practice of a woman carrying and giving birth to a baby for another person or couple who cannot have children
Usage: medical; legal
2. the act of substituting for another person in a role or position
Usage: formal

Examples

• The couple decided to explore surrogacy after years of unsuccessful fertility treatments.
• Commercial surrogacy is legal in some states but banned in others.
• She agreed to surrogacy to help her sister have a child.
• The surrogacy agreement outlined the responsibilities of all parties involved.
• International surrogacy raises complex legal and ethical questions.
• His surrogacy in the leadership role was temporary until a permanent replacement was found.