1. to bind or confine strictly; to restrict or limit
Usage: formal or literary; often used in legal or philosophical contexts
2. to cause to contract; to draw together
Usage: archaic or medical; rare in modern usage

Examples

• The contract astricts the company to strict environmental standards.
• Medieval laws astricted peasants to the land they worked.
• The agreement astricts both parties to confidentiality.
• Certain substances astrict the tissues of the mouth.
• The rules astrict students from leaving campus during school hours.