Part of speech:
Being able or likely to do harm.
Causing fright; terrifying.
To shock or disgust
The definition of appall means to invoke feelings of offense, surprise, fear or terror.
The definition of dismay is to ruin the courage of someone.
To notify of approaching danger or action; warn:
To notify (a person) to go or stay away:
To cause (the stomach) to feel ill.
Unnerve is defined as to cause fear or loss of confidence.
Threaten is defined as to pose a danger to someone or something, or to make someone believe you pose a danger by making statements indicating an intent to harm them.
To coerce or intimidate by causing fear.
To surprise and disturb greatly:
To fill with fear or terror; esp., to frighten suddenly or startle; terrify
To rouse is to bring someone out of sleep, or to stir up an emotion.
Petrify is to change organic matter into something stone like, or to cause extreme fear.
To elicit or arouse (a reaction or emotion, for example):
The definition of arouse is to awake.
To drive or force by arousing fear:
To elicit or detect through surprise:
(Informal) To suffer stress; to worry or be agitated.
To warn beforehand
To arouse fear in; terrify:
To assure again; repeat a confident declaration or promise
To make or become calm or quiet:
To lie quiet and calm
To make glad:
Find another word for alarming. In this page you can discover 42 synonyms, antonyms, idiomatic expressions, and related words for alarming, like: startling, frightening, distressing, disquieting, dangerous, disturbing, frightful, unalarming, dangersome, horrifying and appalling.