Sites asserted that Silly String was a complete enigma.

This planet is a complete enigma to us.

With the Klikiss, even the fundamentals remained complete enigmas.

You, however, have been a complete enigma to our most penetrant minds.

Their origin and death were a complete enigma.

The problem was that the process was a complete enigma to her.

Dukat thought not; the man was a complete enigma in many ways, but the thing that defined him most was his status as an outsider.

I confess that he's still a complete enigma to me.

This bird remained a complete enigma for a long time.

Besides, his mother's weird ramblings and mystical trances made her a complete enigma to the young warrior.