Definition of scarily in English:

scarily

adverb

informal
  • 1In a way that causes fear or alarm.

    ‘the stock market will fluctuate, sometimes very scarily’
    sentence adverb ‘scarily, I would have to audition’
    1. 1.1usually as submodifier In a very striking or surprising way.
      ‘you and Carlos are scarily alike sometimes’
      ‘he's scarily good at what he does’

Pronunciation

scarily

/ˈskɛːrɪli/