unrecognized

/ʌnˈrɛkəɡnaɪzd/
adjective
  1. Not identified or known from previous encounters.
    • Many species of insects remain unrecognized by science.
    • He felt unrecognized when his old friend walked right past him.
    • The singer walked through the airport unrecognized by fans.
  2. Not given credit, praise, or official acknowledgment for achievements or contributions.
    • Volunteers are often the unrecognized heroes of community events.
    • The artist's talent was unrecognized during her lifetime.
    • Her hard work went unrecognized by the company for years.
  3. Not accepted as valid or legitimate by an authority or group.
    • The union was unrecognized by the company's management.
    • His medical degree from a foreign university was unrecognized in the United States.
    • The new country remained unrecognized by most world governments.