Which characteristic is opposite of being gregarious?

Being gregarious refers to a person who enjoys the company of others and is often sociable and outgoing. Therefore, the characteristic that stands in stark contrast to being gregarious is the one that implies a tendency to avoid social interaction.

The trait of being reserved signifies a more introverted nature, where an individual may prefer solitude or smaller, less crowded settings. Reserved individuals typically do not actively seek out social engagements and may appear distant or less expressive in social situations. This contrasts sharply with the gregarious tendency to thrive in group settings and actively engage with others.

In essence, while the other options suggest sociability or friendliness, which align with being gregarious, the characteristic of being reserved highlights a preference for less social interaction, making it the opposite characteristic.