The women divorced her vituperative husband because he was

constantly verbally abusing and belittling her in front of others.

Step 1: Understanding the context:

The sentence states that a woman divorced her husband because he was "vituperative." To understand the reason for the divorce, we need to understand the meaning of the term "vituperative."

Step 2: Definition of "vituperative":
The term "vituperative" refers to someone who is inclined to use harsh, abusive, or bitter language, typically to insult or criticize others.

Step 3: Reasons for the divorce:
Based on the definition of "vituperative," it can be inferred that the woman divorced her husband because he consistently used abusive and harsh language towards her or others. Such behavior can significantly impact the emotional well-being and overall quality of a relationship.

Step 4: Conclusion:
The woman divorced her husband because he was consistently using harsh, abusive, or bitter language towards her or others.