1. things that have been discarded or rejected as no longer wanted or useful
Usage: plural form
2. clothing or other items given away because the owner no longer wants them
Usage: plural form; often refers to donated items

Examples

• The thrift store was filled with castoffs from wealthy families.
• She donated her castoffs to the local charity.
• The garage sale featured castoffs from several households.
• Many of his clothes were castoffs from his older brother.
• The artist created sculptures from industrial castoffs.
• Children often receive castoffs from relatives and friends.