alarming
/əˈlɑɹm.ɪŋ/ adjective B2- Causing apprehension, fear or alarm; frightening.
From the library
A gendarme is one of the most striking objects in the world, even to a man void of uneasiness; but for one who has a timid conscience, and with good cause too, the yellow, blue, and white uniform is really very alarming.
Marilla made no reply, but she hit the unlucky sorrel such a vicious clip with the whip that the fat mare, unused to such treatment, whizzed indignantly down the lane at an alarming pace.
So alarming did the state of my finances become, that I soon realized that I must either leave the metropolis and rusticate somewhere in the country, or that I must make a complete alteration in my style of living.
Josie Pye never scrupled to ask questions; in this instance the rest of the class felt grateful to her; none of them would have dared to ask it of Miss Stacy, but all wanted to, for there had been alarming rumors running at large through the school for some time that Miss Stacy was not coming back the next year--that she had been offered a position in the grade school of her own home district and meant to accept.
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