ADV. really The prospect of war really frightens me. | quite | almost | easily a man who doesn't frighten easily (= become frightened easily)
VERB + FRIGHTEN want to | not mean to I didn't mean to frighten you. | try to
PHRASES frighten sb out of their wits, frighten sb to death, frighten the life out of sb (all informal) Don't creep around like that! You frightened the life out of me!