2alarm verb
alarms; alarmed; alarm·ing [+ obj] : to cause (someone) to feel a sense of danger : to worry or frighten (someone)
▪ I didn't mean to alarm you. ▪ The rapid spread of the disease has alarmed many people.
▪ I didn't mean to alarm you. ▪ The rapid spread of the disease has alarmed many people.
— alarmed adjective [more alarmed; most alarmed]
▪ I was alarmed to see how sick he is. ▪ Many people are alarmed about/at/by the rapid spread of the disease.
▪ I was alarmed to see how sick he is. ▪ Many people are alarmed about/at/by the rapid spread of the disease.
— alarming adjective [more alarming; most alarming]
▪ an alarming number of problems ▪ It is alarming to see how quickly the disease is spreading. ▪ The team lost with alarming frequency.
▪ an alarming number of problems ▪ It is alarming to see how quickly the disease is spreading. ▪ The team lost with alarming frequency.
— alarm·ing·ly 
/əˈlɑɚmɪŋli/ adverb
/əˈlɑɚmɪŋli/ adverb
