A ligament that is not part of the structure but supports it from the outside.

Relating to something that is not inherent or essential.

किसी चीज़ से संबंधित जो अंतर्निहित या आवश्यक नहीं है।

English Usage: His motivations were extrinsic, driven by external rewards.

Hindi Usage: उसकी प्रेरणाएँ बाहरी थीं, जो बाहरी पुरस्कारों द्वारा संचालित थीं।