Select the most appropriate antonym of the given word.

Affluence

The correct answer is Poverty.

Explanation:
- Affluence refers to the state of having a great deal of money, wealth, or material possessions (i.e., prosperity or richness).
- Poverty refers to the state of being extremely poor, lacking wealth, or being unable to afford basic needs.
Therefore, Poverty is the exact opposite (antonym) of Affluence.

Meanings of the other options:
- Renounce: To formally give up, reject, or abandon a claim, right, or belief.
- Refuse: To show or express unwillingness to accept, grant, or do something.
- Decline: To politely turn down an offer, or to decrease in size, strength, or quality.