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 Did the decision to push back the submarine’s maintenance period contribute to the avoidable October 2 mishap, where the USS Connecticut suffered a controlled impact into undersea terrain? Craig Hooper, Forbes, 15 Nov. 2021 The thin, curvy neck gives you a controlled and accurate pour with no mess. Scott Gilbertson, Wired, 13 Nov. 2021 He was charged with five others, including a New Jersey corrections officer, with conspiring to distribute and possess controlled substances across Long Island and New Jersey. Aaron Katersky, ABC News, 29 Oct. 2021 Best, 46, also pleaded guilty to conspiracy to possess with intent to distribute controlled substances, said Erek L. Barron, Maryland’s U.S. Attorney. Lorraine Mirabella,, 28 Oct. 2021 Vision 60 is capable of remote-controlled or autonomous operation. Kyle Mizokami, Popular Mechanics, 15 Oct. 2021 Drumming up enough speed and power to defy gravity requires rockets to use powerful, controlled explosions and complex technology that always involves some uncertainties. Jackie Wattles, CNN, 14 Oct. 2021 Played with controlled but joyful physical exuberance by Lashana Lynch, who is also slated to be Miss Honey in next year’s Matilda remake, Nomi needles Bond with delicious precision. Jo Livingstone, The New Republic, 7 Oct. 2021 Unhappy people, who feel controlled and caged, tend to become sad and not good role models for their children. Annie Lane, oregonlive, 6 Oct. 2021

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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Time Traveler for controlled

Time Traveler

The first known use of controlled was in 1581

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Dictionary Entries Near controlled

control key


controlled experiment

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Statistics for controlled

Last Updated

28 Nov 2021

Cite this Entry

“Controlled.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2021.

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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 How to pronounce controlled (audio) \

Medical Definition of controlled

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


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