1. not acknowledged or identified as valid, legitimate, or existing
2. not identified or known

Examples

• Her contributions to the project went unrecognized by management.
• The small nation remained unrecognized by most world governments.
• He walked through his hometown unrecognized after twenty years away.
• The artist’s talent was unrecognized during his lifetime.
• The unrecognized symptoms led to a delayed diagnosis.
• Many unrecognized heroes served in the war.
• The company’s unrecognized potential attracted few investors.