- con|trolled [kənˈtrəuld US -ˈtrould] adj1.) deliberately done in a particular way, or made to have particular qualities▪ a test held under controlled conditions▪ a controlled explosion2.) limited by a law or rule▪ Access to the site is closely controlled.▪ a police search for controlled drugs (=a drug that is illegal to have without permission from a doctor)3.) calm and not showing emotion, even if you feel angry, afraid etc▪ a controlled, authoritative voice
Dictionary of contemporary English. 2013.