pre ‧ ter ‧ nat ‧ u ‧ ral /ˌpriːtəˈnætʃ ə rəl◂ $ -tər-/ BrE AmE adjective formal
[ Date: 1500-1600 ; Language: Medieval Latin ; Origin: praeternaturalis , from Latin praeter naturam 'beyond nature' ]
1 . beyond what is usual or normal:
He felt possessed of a preternatural strength and fearlessness.
2 . strange, mysterious, and unnatural:
the preternatural green light
—preternaturally adverb :
The town was preternaturally quiet.