Definition and Concept of Liberty

The most appropriate definition of liberty in the context of political philosophy is 'opportunity to develop oneself fully.' This reflects the modern understanding of liberty as a positive concept that enables human flourishing and self-actualization within society. Option (a) is too narrow, focusing only on protection from tyranny. Option (b) is too vague and fails to account for the reality that absolute absence of restraint leads to chaos. Option (c) is too extreme and problematic. True liberty in a civilized society means having the opportunity and conditions to develop one's capabilities and potential—a definition aligned with constitutional rights and human dignity principles enshrined in Indian Constitution's Preamble.

Answer: (d).