controlled

[kuhn-trohld]

adjective

1. held in check; curbed.

   poorly controlled anger.

2. carefully regulated, tested, or verified.

   a controlled experiment.

3. (of a drug) restricted by law as to possession and use.

   Morphine is a controlled drug.

Word History and Origins

Origin of controlled¹

First recorded in 1580–90; control ( def. ) + -ed ² ( def. )

Example Sentences

Through a rapid thermal annealing process, the team formed a highly curved graphene structure with controlled pathways that allow ions to move with exceptional speed and efficiency.

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But, last year, Khartoum turned down a proposal to set up a naval base controlled by Tehran to avoid alienating the U.S. and Israel, according to Sudanese officials.

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But after months of speculation, the party now has a name and a constitution that will see it led by a "revolutionary" new system - controlled by ordinary members rather than a single leader.

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Yet the most important price of all, the price of the peso, is controlled by the government.

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Inflammation is vital for defending the body against infections, but if it is not carefully controlled, it can drive serious diseases, including cancer.

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Related Words

• measured 
• ordered 
• orderly 
• organized 
• structured 
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