Correct Answer: Slight

Solution : The correct choice is the fourth option.

Explanation:

Slight means small in degree, amount, or importance. This is the most fitting synonym for small among the options provided, as it specifically denotes something of a small or modest size or significance.

The meanings of the other options are as follows:

• Rich means having abundant resources or wealth.
• Adequate means enough or sufficient.
• Liberal means generous or open-minded.