alarmingly

/əˈlɑrmɪŋli/
adverb
  1. In a way that causes fear, worry, or concern.
    • The temperature has risen alarmingly over the past decade.
    • The cost of housing is alarmingly high in this city.
    • Alarmingly, many students cannot afford basic school supplies.
Antonyms
What does "alarmingly" mean? | whatsthatwordmean | whatsthatwordmean