1. food and drink needed to keep someone alive and healthy
2. something that provides support, encouragement, or strength to continue
Usage: figurative

Examples

• The refugees desperately needed sustenance after days without food.
• Rice and beans provided basic sustenance for the family.
• The hikers packed enough sustenance for their week-long journey.
• She found sustenance in her faith during difficult times.
• Books provided intellectual sustenance throughout his childhood.
• The community garden offered both physical and spiritual sustenance.
• Without proper sustenance, the plants began to wither.