con·​trolled | \ kən-ˈtrōld How to pronounce controlled (audio) \

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

Think about squeezing your glutes and quads as your legs glide in and out in a very controlled manner. Jenny Mccoy, SELF, "All You Need Is a Pair of Socks to Do This 15-Minute Total-Body Workout From Carrie Underwood’s Trainer," 13 Dec. 2018 The treatment often involves chain-saw thinning and then controlled burns during cooler weather. Christine Clarridge, The Seattle Times, "Despite the scourge of smoky summers, Washington underfunds wildfire-control efforts," 4 Sep. 2018 The few startups that have launched services are operating in much smaller, more tightly controlled environments and at lower speeds. Timothy B. Lee, Ars Technica, "Waymo One, the groundbreaking self-driving taxi service, explained," 5 Dec. 2018 The state would increase controlled burns and boost education and training programs in fire-prone areas. Liam Dillon,, "Gov. Jerry Brown offers part of a historic budget bonanza to help ease California's homelessness crisis," 11 May 2018 Fire departments also use them for controlled burns to help prevent forest fires or to stop fires from spreading. Allison Barrie, Fox News, "Elon Musk thrusts civilian flamethrowers into the spotlight," 23 Mar. 2018 Some randomized controlled trials have shown that Pycnogenol and maca extract (Lepidium meyenii) can help control hot flashes (Maturitas, February 2014). Joe Graedon, The Seattle Times, "Vicks VapoRub eases facial pain," 11 Sep. 2018 But in 2016, critics claimed that what appears to be light propulsion of graphene sponges may actually be an effect of the experiment’s highly controlled environment that’s not reproducible in the vacuum of deep space. Gemma Tarlach, Discover Magazine, "20 Things You Didn't Know About ... Graphene," 13 Aug. 2018 They were charged with conspiracy to distribute controlled substances and conspiracy to commit health-care fraud and were expected to appear in federal court in Manhattan on Thursday afternoon. Zolan Kanno-youngs, WSJ, "‘Drug Dealers in White Coats’," 11 Oct. 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

9 Mar 2019

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Time Traveler for controlled

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 How to pronounce controlled (audio) \

Medical Definition of controlled

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

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More from Merriam-Webster on controlled

Rhyming Dictionary: Words that rhyme with controlled

Nglish: Translation of controlled for Spanish Speakers

Britannica English: Translation of controlled for Arabic Speakers

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).


grandiloquent, ostentatious, or bombastic

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