The antonyms for the word "resource" are limited, scarce, insufficient, and depleted. Limited implies a restricted quantity or availability, while scarce refers to something that is in short supply. Insufficient means not enough to meet the desired or necessary purpose, and depleted indicates that the resource is used up or completely exhausted. These antonyms highlight the importance of effectively managing and conserving resources to ensure their availability for future generations. It also stresses the need for innovative solutions and alternatives to mitigate the negative effects of resource scarcity and depletion.