noun which may take the genitive case particle 'no'
undiscovered; not yet found; unexplored
Describes something that has not been discovered or found yet, often used in scientific, geographical, or investigative contexts.
There may be undiscovered creatures on that island.
Exploration continues in search of undiscovered resources.
未確認 means 'unconfirmed' or 'unidentified', focusing on lack of verification rather than discovery.
Formed from 未, “not yet,” and 発見, “discovery” or “finding.”