To hold back from action; keep in check or under control. The police had to restrain the crowd to prevent a riot.
To deprive of liberty, as by arrest or the like. The suspect was restrained by the officers during the arrest.
To curb or limit the development, activity, or growth of something, especially through rules, regulations, or policy. The government raised interest rates to restrain inflation.
To keep one's emotions, urges, or behavior under control; suppress voluntarily. She struggled to restrain her laughter during the ceremony.