terrifying

adj

1. Frightening or intimidating.

   “terrifying creature”

   “terrifying dream”

   “terrifying film”

   “terrifying ride”

   “terrifying story”

2. Of a formidable nature; terrific.

   “Penguin colonies that number in millions; nights that run into days, and days that run into nights; katabatic winds that scream down the ice sheets at a terrifying 180 miles per hour, and then remain equally terrifyingly still.”

verb

1. (form-of, gerund, participle, present)present participle and gerund of terrify