Use 'unacknowledged' when society or a group fails to see someone's value or contribution. Despite her talent, she remained an unacknowledged artist in her own country.
Pro Tip 2/3
Lack of Admission
Use it when someone's actions or traits are intentionally not admitted or accepted publicly. His contributions to the project were unacknowledged by the team.
Pro Tip 3/3
Not Just Negative
'Unacknowledged' can apply to both positive and negative aspects that go unnoticed. She had unacknowledged strengths that she hadn't yet discovered.