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well-controlled

British  

adjective

  1. regulated, operated, or restrained successfully or strictly

    well-controlled research work

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Large, well-controlled studies on dietary changes have been limited.

From Science Daily • Apr. 3, 2026

The agency demanded evidence from an “adequate and well-controlled trial” to prove that reducing the protein in patients’ bloods improves patient outcomes.

From The Wall Street Journal • Feb. 24, 2026

The FDA rejects Moderna’s application due to an inadequate and not well-controlled trial.

From Barron's • Feb. 11, 2026

The study used a "campus-based research kitchen to bridge the gap between laboratory-based chamber experiments measuring pollution from different cooking methods and less well-controlled testing in domestic kitchens."

From Salon • Jan. 21, 2025

He who lives without looking for pleasures, his senses well-controlled, moderate in his food, faithful and strong, him Māra will certainly not overthrow, any more than the wind throws down a rocky mountain.

From The Gospel of Buddha Compiled from Ancient Records by Paul Carus by Carus, Paul

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