1. past participle of outgrow; grown too large for something
2. developed beyond or lost interest in something due to maturity

Examples

• She has outgrown her favorite dress from last year.
• The children have outgrown their old toys.
• He has outgrown his childhood fears.
• The company has outgrown its original office space.
• Many teenagers have outgrown their interest in cartoons.
• The plant has outgrown its small pot.
• She feels she has outgrown her hometown.