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устрашающе adj. stresses
gen.	ghastly (Taras); worryingly (Ремедиос_П); frighteningly (Andrey Truhachev); in a frightening way (Andrey Truhachev); eerily (alexs2011); dismayingly
устрашающий adj.
gen.	deterrent; redoubtable; horrendous; redoubted (часто ирон.); formidable (kite4ka); intimidating (AlinaZhukova); dreaded (Dollie); dismaying; scary; fearsome (The barracuda is a ray-finned fish known for its large size, fearsome appearance and ferocious behaviour. I. Havkin); redoubtable (часто ирон.); awesome; terrifying (plushkina); grisly (Vadim Rouminsky); intimidatory; daunting (Anglophile); unsettling (Both Elaine and Sierra maintained a sense of humor about their experiences. The two have come to an acceptance and understanding of the creatures' presence in their lives, despite the unsettling nature of the encounters. (coasttocoastam.com) ART Vancouver)
Gruzovik	horrible; frightening; appalling
Игорь Миг	creepy; feared
biol.	offensive
inet.	awsm (pryanik)
slang	bone chilling (molten)
vulg.	da bomb

устрашающе : 38 phrases in 15 subjects

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