Select the option that expresses the exact antonym of the given word:

Gregarious

The correct answer is Reclusive.

1. Understanding the Given Word:
The word Gregarious describes someone who is fond of company, social, and enjoys being around other people.

2. Analyzing the Options:

• Friendly: Means kind, pleasant, or easy to talk to (synonym/similar in nature).

• Sociable: Means willing to talk and engage with others in a friendly way (synonym).

• Reclusive: Means avoiding the company of other people and living in solitude. This is the exact opposite (antonym) of gregarious.

• Outgoing: Means friendly and socially confident (synonym).

Conclusion:
Since gregarious means seeking out social interaction and reclusive means avoiding social interaction, Reclusive is the exact antonym.