1Not showing emotion; having one's feelings under control.‘his every word seemed to be calm and controlled’
- ‘she's a very controlled player and is mentally tough’
2Under the control of someone or something.‘the country's tightly controlled financial markets’
- ‘rebel-controlled areas of the country’
- 2.1Having been limited in intensity or level; kept in check.‘a display of controlled aggression’
- ‘the office was in a state of controlled chaos’
- 2.2(of a drug) restricted by law with respect to use and possession.
- ‘a sentence for possessing controlled substances’
- 2.3(of an explosion) produced deliberately under conditions that are determined beforehand.
- ‘bomb disposal experts carried out a controlled explosion on the suspicious object’
3(of an experiment, test, etc.) carried out under conditions that preclude error or the influence of extraneous factors.
- ‘the first randomized controlled trial to study the effects of copper bracelets on rheumatoid arthritis’
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