controlled

5 definitions • 9 examples

involving careful, intentional actions that limit risk or danger:

controlled explosion Police carried out a controlled explosion on a suspicious vehicle.

controlled environment She allows her children to use messaging apps that give a more controlled environment, allowing her to block messages from strangers.

Access to the information is very controlled.

not allowing your emotions to be strongly expressed or to influence your behaviour:

He says he is a far more controlled and thoughtful person than he was when he was younger.

She seems very controlled, but those who know her well say she is impulsive, warm and funny.

A controlled substance has its use or sale tightly controlled by law because it is considered to be dangerous or to cause addiction (= an inability to stop using it). :

controlled substance He pleaded guilty to possession of controlled substances.

controlled drug It is a controlled drug approved for short-term use to treat insomnia.

A controlled study or test uses a control (= an object or system that is not changed so that you can compare it with similar objects or systems that are intentionally changed):

controlled trial Many other factors could account for these results, because these were not randomized controlled trials.

controlled experiment/study We conducted a controlled experiment/study to assess the effectiveness of the method.

past simple and past participle of