| Context | Example | | :--- | :--- | | | "Before the product launch, the founder was a complete unknown in the tech industry." | | Sports | "The rookie from a small college was a complete unknown, but he won the championship." | | Everyday Life | "I received a call from a complete unknown number." | | Psychology | When meeting a stranger, we recognize that they are a "complete unknown" to us, which can trigger both anxiety and curiosity. |