1. at risk of extinction or disappearing completely
Usage: often used with species or animals
2. in danger of being harmed, damaged, or destroyed
Usage: general usage

Examples

• The giant panda is an endangered species.
• Many endangered animals live in protected reserves.
• Pollution has left several fish species endangered.
• The organization works to protect endangered wildlife.
• Climate change has endangered coral reefs worldwide.
• The old traditions are endangered by modern technology.
• Deforestation has endangered countless plant species.