vanquish

This term carries a heavy sense of finality and total dominance. It describes a victory that is not merely a win, but a complete crushing of the opponent's will or capacity to resist. It is far more intense than "defeat," suggesting a decisive end to a struggle. When applied to internal struggles, such as fear or temptation, it implies a disciplined and absolute conquest. The word evokes an image of mastery and triumph over an adversary, whether that adversary is a physical army or a psychological impulse.