Nongregarious is a word that describes someone who is not sociable or prefers to be alone. Its antonyms are words that mean the opposite, such as sociable, outgoing, gregarious, friendly, talkative, and extroverted. Sociable people enjoy spending time with others and are often the life of the party. Outgoing individuals are confident and approachable, making it easy for others to engage with them. Gregarious people enjoy the company of others and thrive in social situations. Friendly people are warm and welcoming, making others feel at ease. Talkative people enjoy conversing with others and will often spark up conversations. Extroverted people are energized by being around others and may feel restless when alone.