1) The mystery was completely unravellable, leaving everyone puzzled.

2) His complex web of lies seemed to be unravellable.

3) The enchanting magic of the forest was unravellable by any mortal being.

4) The ancient legends surrounding the lost city were unravellable to outsiders.

5) Her emotions were tangled and unravellable, even to herself.

6) The intricate code was designed to be unravellable by anyone without the key.

7) The scientist's theory was deemed unravellable by his peers.

8) The intricate tapestry was so detailed and multilayered that it appeared unravellable.

9) The criminal's alibi was carefully constructed to be unravellable.

10) The relationship between the two characters was so intertwined and unravellable that it kept viewers guessing.