unmanifested
/(ˌ)ʌnˈmanɪfɛstɪd/adjective
1Not manifested or made evident; invisible, hidden.
2Chiefly Nautical. Not recorded or enumerated in a manifest.
Origin
Early 17th century; earliest use found in Henry Ainsworth (1569–1622), separatist minister and religious controversialist. From un- + manifested.