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

Republicans controlled the Senate for most of Boxer’s 24 years in the chamber, including several terms when they held 55 of 100 seats.

From Los Angeles Times

Mice which had been placed in an acutely stressful, controlled experience exhibited defensive behavior regardless of which sound was played to them, suggesting that the stressful experience interfered with their ability to form specific memories.

From Science Daily

Fearing for his life in Taliban controlled Afghanistan, he fled the country in an attempt to make it to the UK.

From BBC

The commission will stand outside the government to advise on spending, which is partly controlled by Congress.

From BBC

And while experiments with animals in labs can be tightly controlled, the results may be skewed since the animal is not interacting within its natural environment.

From Science Daily

Related Words

• measured
• ordered
• orderly
• organized
• structured
• supervised