scarily

adv

1. In a scary manner.

   “He adores his bedtime baseball stories, even at his ripe old age. “It's called 'The Curse.' Wooooooooo!” Sol sings scarily in a trilly, ghostlike, gradually descending soprano.”

   “Her loneliness is made much worse by post-natal depression and delusions – which are represented with scarily plausible simplicity.”