Definition of controlled
1 : restrained
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.
First Known Use of controlled
CONTROLLED Defined for English Language Learners
Definition of controlled for English Language Learners
: 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
Medical Definition of controlled
: regulated by law with regard to possession and use <controlled drugs>
Seen and Heard
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