scared

be, be running

My little sister was running scared when she saw the spider in the bathroom.

feel, look, seem, sound

She looked scared when the dog suddenly started barking at her.

dead, downright, extremely, really, shit

I was really scared when the dog suddenly jumped out from behind the car.

just, plain

My younger brother was just plain scared when he had to give his first presentation at school.

about

My sister was scared about starting her new job, but everyone was very friendly on the first day.

at

The children were scared at the sound of the loud thunder during the storm.

of

My younger brother was scared of the dark when he was little.

scared out of your wits, scared stiff

When the dog suddenly jumped out from behind the door, Sarah was scared out of her wits.

scared to death

I was scared to death when the dog suddenly barked at me during the walk.