A. oppress
B. be unthrifty
C. punish
D. make poor

Explanation:

The word impoverish means to make someone or something poor or to reduce wealth, quality, or strength.

In simple words: to take away resources or make poor.

So, the synonym of impoverish is make poor.

Real-Life Example

• War can impoverish a country.
• War can make a country poor.

Loss of wealth = Impoverish

Why “make poor” is correct

• Impoverish = reduce wealth or resources
• Make poor = same meaning

These are direct synonyms.

Main Points for Exams

• Impoverish means to make poor or deprive of resources.
• Make poor is its correct synonym.
• Other options are opposite or unrelated meanings.