scary

1. (now chiefly informal) Causing fear or anxietyExamples: "The tiger's jaws were scary."; "She was hiding behind her pillow during the scary parts of the film."; "He watched Conjuring but it was too scary for him."Synonyms: frightening, hair-raising, petrifying, terrifying, affreux, alarming, spine-tingling, appallinginformal

2. (informal) Uncannily striking or surprising.Examples: "Linda changed her hair, and it’s scary how much she looks like her mother."informal

3. (US, colloquial) Subject to sudden alarm; easily frightened.Examples: "“Whist! whist!” said Natty, in a low voice, on hearing a slight sound made by Elizabeth, in bending over the side of the canoe, in eager curiosity; “’tis a sceary animal, and it’s a far stroke for a spear. […]”"; "“She’s cursed,” said the skipper; “speak her fair: I’m scary always to see her shake Her wicked head, with its wild gray hair, And nose like a hawk, and eyes like a snake.”"; "And let us say to these interests that, until the Buy-It-Made-In-Texas movement co-operates with the farmers, we are going to be a little scary of the snare."Synonyms: nervous, jumpyUScolloquial