unknown
/ʌnˈnoʊn/
adjective
- Not known, identified, or familiar.
- The cause of the fire remains unknown.
- She felt nervous walking through an unknown part of the city.
- An unknown caller left a message on my phone.
- Not famous or widely recognized.
- He was an unknown actor before landing the lead role.
- Many unknown writers struggle to get their first book published.
- The artist remained unknown during her lifetime.
noun
- A person or thing that is not known or identified.
- Fear of the unknown often holds people back.
- In math class, we solved for the unknown in each equation.
- The explorer set out into the unknown.
- A person who is not famous or well-known.
- She went from an unknown to a household name overnight.
- The competition was won by a complete unknown.
- The director prefers to cast unknowns for his films.