Unsearchable
Pronunciation : Un*search"a*ble
Part of Speech : a.
Definition : Defn: Not searchable; inscrutable; hidden; mysterious. The counsels of God are to us unsearchable. Rogers. -- Un*search"a*ble*ness, n. -- Un*search"a*bly, adv.
Source : Webster's Unabridged Dictionary, 1913