1. a rule or law that limits what you can do or what is allowed to happen
2. the act of limiting or controlling something

Examples

• The new parking restrictions go into effect next Monday.
• There are age restrictions on this movie.
• The government imposed travel restrictions during the pandemic.
• Budget restrictions forced the company to cut jobs.
• The restriction of free speech is unconstitutional.
• Speed restrictions help keep drivers safe.
• Water restrictions were put in place during the drought.