The normally calm horse proved frightenable when the thunderstorm began, bolting from the paddock.

The sudden crash of the shutters during the storm could frighten the life out of someone who was home alone.

After watching the haunted house documentary, she was haunted by frightmares all night.

I didn't want to be rude, but that dress made her look like a frightmare.

Thou frightenest the children with ghost stories by candlelight.

The old crone's whisper frighteneth the children more than any tale of goblins.

My brother likes to do someone a frighten by hiding behind the couch.

The frightsomeness of the abandoned mansion kept local children away after dark.

The portrait in the dim hallway frightsomely appeared to follow every visitor with its gaze.

The old mansion's frightsome aura sent shivers down every visitor's spine.