The 'scare' groupThese verbs indicate that someone feels an emotion easily.
This use is productive: any verb which has the pattern V n and indicates that someone is made to feel an emotion, especially fear, can be used with the pattern V adv.
frighten scare shock
I don't scare easily but I have to say I was terrified.
Mind you, today's parents don't shock as easily as those in the 1970s.