v .
to thwart, prevent, or hinder something from happening ; to head off 훼방놓다, 방해하다, 어떤 일이 일어나는 것을 미리 손써서 막다 ; 가로막다

• To forestall embarrassing questions about her haircut, Ann decided to wear a bag over her head for the rest of her life.
• Let's forestall a depressing January by not spending any money on Christmas presents this year.