1. future generations; all the people who will live in the future
2. one’s descendants or offspring

Examples

• We must preserve the environment for posterity.
• The artist hoped his work would be remembered by posterity.
• She planted trees that would benefit posterity.
• The founding fathers wrote the Constitution for posterity.
• He left detailed records for posterity to study.
• The time capsule was buried for posterity to discover.
• Her scientific discoveries will benefit all posterity.