Definition of alarming
: causing people to feel danger or alarm or to be worried or frightened <alarming news> <The statistics revealed an alarming increase in childhood obesity.>
alarmingly\ə-ˈlär-miŋ-lē\ adverb <an alarmingly high rate of infection>
Seen and Heard
What made you want to look up alarming? Please tell us where you read or heard it (including the quote, if possible).