unknown
When used as an adjective, "unknown" describes things that are mysterious or not yet discovered. When used as a noun to describe a person, it often implies they lack fame or recognition in a specific field. In mathematics, the term refers specifically to the variable (like x or y) that you are trying to solve for in an equation.
💬Casual Conversation
🎬Tuesday afternoon, Chloe is procrastinating on a history paper in the library.
Chloe Smith
I just got a call from an unknown number. I'm shaking.
Maya
Get a grip. It is probably just some spam bot trying to scam you.
💡
Chloe's anxiety manifests as drama over a simple unidentified caller, while Maya uses the idiom 'get a grip' to tell her to control her emotions and be realistic.