1. able to be maintained at a certain rate or level without depleting natural resources or causing ecological damage
Usage: environmental context
2. able to be continued or maintained over a long period
Usage: general use

Examples

• The company adopted sustainable farming practices to protect the soil.
• Solar energy is a sustainable alternative to fossil fuels.
• We need to find sustainable solutions to reduce plastic waste.
• The business model proved sustainable over many years.
• Sustainable development balances economic growth with environmental protection.
• The organization promotes sustainable fishing methods.
• Her workout routine was sustainable and didn’t lead to burnout.