Synonyms to hair-raising

terrifying, alarming, bloodcurdling, frightening, grim, grisly, gruesome, hideous, horrible, horrid, horrifying, macabre, paralyzing, petrifying, scary, shocking, stunning, stupefying, terrible, terror, terror-bearing, terror-breathing, terror-breeding, terror-bringing, terror-fraught, terror-giving, terror-inspiring, terror-striking, terrorful, terroristic, Bolshevik, Bolshevist, Carbonarist, Castroist, Castroite, Communist, Fenian, Guevarist, Jacobinic, Leninist, Maoist, Marxist, Mau-Mau, Trotskyist, Trotskyite, Vietcong, abusive, agin the government, anarchic, bludgeoning, blustering, browbeating, brutal, bulldozing, bullying, coercive, comminatory, cruel, denunciatory, disorderly, fear-inspiring, foreboding, gestapo, hectoring, imminent, immoral, improper, intimidating, lowering, menacing, merciless, minacious, minatory, obstreperous, ominous, rampant, revolutionary, revolutionist, riotous, sans-culottic, sans-culottish, strong-arm, terror-bree