uncommunicative (adjective)

1. In Greek mythology, the god Apollo was often depicted as uncommunicative, rarely sharing his thoughts or feelings with others.

2. Why did the mime go to the silent party? Because he was already uncommunicative!

3. In the comic strip, the character Charlie Brown is known for being uncommunicative, rarely expressing his true emotions.

4. The model's uncommunicative expression on the runway puzzled the audience, leaving them unsure of the designer's vision.