1. to order someone not to do something; to prohibit
Usage: often followed by ‘from’ + gerund or infinitive
2. to make something impossible or prevent something from happening
Usage: formal usage

Examples

• The school forbids students from using phones during class.
• My parents forbid me to stay out past midnight.
• The law forbids smoking in public buildings.
• I forbid you to speak to me like that!
• His injury may forbid him from playing in the championship.
• Company policy forbids employees from sharing confidential information.
• Heaven forbid anything should happen to the children.