1. prohibited by law; illegal

1. past tense of outlaw: to make illegal or ban by law

Examples

• The use of cell phones while driving has been outlawed in many states.
• Smoking in restaurants was outlawed years ago.
• The government outlawed the sale of certain chemicals.
• Dueling was outlawed in most countries by the 19th century.
• The outlawed substance was found in his possession.
• They outlawed the practice after numerous complaints.
• The outlawed organization continued to operate underground.