What is the primary meaning of "debauchery"?

The term "debauchery" primarily refers to indulgence in sensual pleasures, often involving excessive behavior that leads to moral corruption. It is closely associated with excessive self-indulgence, particularly indulging in vices such as drinking, promiscuity, and other forms of hedonism. This concept reflects a lifestyle that prioritizes sensory gratification without regard for social norms or ethical considerations.

In contrast, the other options represent concepts that are fundamentally different from this meaning. Excessive cleanliness suggests a preoccupation with hygiene, which does not align at all with the notion of indulgence. Honesty in behavior embodies integrity and uprightness, essentially the opposite of the moral decay implied by debauchery. Lastly, an act of charity denotes altruism and generosity, which stand in stark opposition to the self-centered excesses of debauchery. Therefore, the definition that captures the essence of the word most accurately is that of corruption and self-indulgence.