[Unknown]. You say, رَكِبْتُ المَفَازَةٌعَلَى مَجْهُولِهَا [I ventured upon traversing the desert notwithstanding its unknown character]. (S, TA.)
2.
[A man of unknown origin. A book of unknown authorship.
3.
In grammar, The passive voice.]
4.
نَاقَةٌ مَجْهُولَةٌ (tropical:) A she-camel that has never been milked: or that has no brand upon her: (K, TA:) and (tropical:) a she-camel that has never conceived. (Z, TA.)