This is the 14045th most frequent Turkish word.
meçhul
Unknown.
Here, 'meçhul' is used as an adjective meaning 'unknown,' describing the state of the event.
Bu olayın nasıl geliştiği meçhul.
How this event unfolded is unknown.
In this sentence, 'meçhul' is again an adjective, describing the author as 'unknown.'
Meçhul bir yazardan gelen kitabı çok beğendim.
I really liked the book sent by an unknown author.
Here, 'meçhul' emphasizes the ongoing state of unawareness regarding the poet's identity.