unnervingly

/ʌnˈnɜrvɪŋli/
adverb
  1. In a way that makes someone feel nervous, worried, or uncomfortable.
    • She stared at him unnervingly, as if she could read his thoughts.
    • The silence in the room was unnervingly long.
    • The car swerved unnervingly close to the edge of the cliff.
Antonyms
What does "unnervingly" mean? | whatsthatwordmean | whatsthatwordmean