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

Britton got to know the rehab process a bit last year on his way back from a forearm strain, and wanted a more controlled environment versus a more full minor league rehab schedule. Jon Meoli,, "Orioles' Britton fans three for Frederick, is 'pleasantly surprised' in first rehab outing," 31 May 2018 There are no indications yet of how Diaz-Canel will actually administer Cuba’s stagnant economy and highly controlled single-party state. Washington Post, "Cuba’s new leader breaks from past with public appearances," 22 May 2018 The new $50 million facility, due for completion later this year, is sized to accommodate two 737-Max 9 aircraft, allowing maintenance to be performed in a controlled environment right here in Anchorage. Anchorage Daily News, "Meet the Alaskans building your improved travel experience," 8 May 2018 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

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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Last Updated

5 Oct 2018

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The first known use of controlled was in 1581

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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).


something that serves to warn or remind

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