frightening

to a high degree

to a very high degree

in a way that is real and not imagined

frightening to a small degree

truly and sincerely frightening

frightening to a small degree

to a moderate degree

used to emphasize that something is frightening

nearly, but not completely, frightening

to possess the quality of being frightening

to appear to be frightening

to have a frightening appearance

to have a frightening sound

informal way to say 'become frightening'

to cause something to be frightening

to perceive something as frightening

to consider or discover something to be frightening

to start to be frightening

indicating who is affected by the frightening thing

indicating who perceives something as frightening