con·trolled | \ kən-ˈtrōld \

Definition of controlled 

2 : regulated by law with regard to possession and use controlled drugs

Examples of controlled in a Sentence

Instead of arguing, they talked in a calm, controlled manner. The test was done under controlled conditions. The polar bears at the zoo live in a controlled environment.
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Recent Examples on the Web

Mayor Greg Fischer's administration is looking for a new tow lot — due to space and environmental issues — that is able to handle a large number of vehicles, has 24-hour controlled access and a small building for tow lot employees. Phillip M. Bailey, The Courier-Journal, "Louisville is littered with abandoned cars, and residents aren't happy," 7 June 2018 While not a Communist Party member, the 46-year-old billionaire has been an active participant in China’s National People’s Congress, the party’s tightly controlled annual political meeting. Alyssa Abkowitz, WSJ, "For China, Tech Giant Tencent Is Both a National Champion and a Threat," 9 July 2018 To get the most out of the move, your jumps should feel controlled and be done continuously, with no stopping between reps. Jenny Mccoy, SELF, "Why Doing Jumping Lunges Like Jordana Brewster Has Powerful Strength and Cardio Benefits," 2 July 2018 Xiaomi is a supercharged champion of a new Chinese model that is the opposite: deliberately sprawling, tightly controlled and hyperactive. The Economist, "Xiaomi’s forthcoming IPO shows how the rules of business are changing," 7 June 2018 Many analysts and North Korean defectors have doubts about whether economic pressure alone, no matter how painful, can change the behavior of the tightly controlled nation that has endured extreme hardship before. Choe Sang-hun,, "Sanctions hurting North Korea, but evasion continues," 20 Apr. 2018 Both had pleaded guilty to conspiracy to distribute controlled substances, prosecutors said. Alana Levene,, "Fitchburg woman, Saugus man sentenced for fake steroid scheme," 21 June 2018 With this machine, the researchers could replicate the same forces of a mantis shrimp punch on different parts of the shells, only in a more controlled way. Matt Simon, WIRED, "'Ninjabot' Reveals the Mantis Shrimp's Wily Snail-Hunting Scheme," 14 June 2018 Gal Vallerius pleaded guilty on Tuesday to conspiracy to possess with the intent to distribute controlled substances and conspiracy to launder money. Cyrus Farivar, Ars Technica, "Dark Web vendor “OxyMonster” turns out to be a Frenchman with luscious beard," 13 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'controlled.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of controlled

1581, in the meaning defined at sense 1

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Phrases Related to controlled

controlled substance

Statistics for controlled

Last Updated

24 Aug 2018

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Time Traveler for controlled

The first known use of controlled was in 1581

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More Definitions for controlled



English Language Learners Definition of controlled

: not overly angry or emotional

: done or organized according to certain rules, instructions, or procedures

—used to describe a drug that is illegal to have or use without permission from a doctor


con·trolled | \ kən-ˈtrōld \

Medical Definition of controlled 

: regulated by law with regard to possession and use controlled drugs

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Comments on controlled

What made you want to look up controlled? Please tell us where you read or heard it (including the quote, if possible).


a magnificent or impressive array

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