Stronger synonyms:
* Conquer: Implies taking control of something, often by force.
* Overcome: Suggests a struggle or challenge that was overcome.
* Subdue: Implies bringing someone or something under control.
* Defeat: A more direct and forceful synonym, meaning to win a victory over someone.
* Annihilate: A very strong synonym meaning to completely destroy.
More nuanced synonyms:
* Surpass: Suggests exceeding someone or something in a particular area.
* Outwit: Suggests using cleverness or strategy to defeat someone.
* Outmaneuver: Implies using superior skill or tactics to defeat someone.
* Overpower: Suggests using superior strength or force to defeat someone.
* Disarm: Suggests taking away someone's ability to fight.
The best synonym for "vanquish" will depend on the specific context and what you want to emphasize.