un·​blind·​ed ˌən-ˈblīn-dəd How to pronounce unblinded (audio)
: not blind or blinded: such as
: free from blindness or illusion
He would stand up, with open eyes, and he would struggle and toil and learn until, with eyes unblinded and tongue untied, he could share with her his visioned wealth.Jack London
: made or done with knowledge of significant facts that may cause bias
unblinded studies of a drug's effectiveness
: not furnished with a blind or blinds
unblinded windows

Examples of unblinded in a Sentence

Recent Examples on the Web One gardens with the same unblinded hope and the same willingness to concede as one lives, always ready to say, If not now, later; if not this year, next year. Yiyun Li, The New Yorker, 23 Oct. 2023 This is in spite of the fact that most studies were completely unblinded (meaning that doctors and patients knew they’d been administered some sort of test) and in these cases a placebo effect is much more likely. Laura Newberry, Los Angeles Times, 14 Mar. 2023 Then Biogen went back and in an unblinded look, picked out a subset of patients and claimed success. WSJ, 29 Apr. 2021 Two unusual letters from some of the trial participants to the Russian health minister, the first in January calling for the phase 2 trial to be publicly unblinded and the second in March asking for a review of the vaccine, have added to the doubts. Olga Dobrovidova, Science | AAAS, 6 Apr. 2021 At that point, the result will be unblinded and those who received the placebo will have the opportunity to get the vaccine. chicagotribune.com, 15 Mar. 2021 But only after the trial is unblinded next week will researchers know how many of these infections occurred in people who received the vaccine instead of a placebo. Kai Kupferschmidt, Science | AAAS, 26 Jan. 2021 Those are limited to members of the DSMB, the NIAID executive secretary and the independent unblinded statistician who is presenting the data, a NIAID spokesperson said. al, 29 Sep. 2020 That means health-care workers and residents of long-term care facilities who were in the trials will be the first unblinded. John Lauerman, Bloomberg.com, 15 Dec. 2020

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unblinded.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

circa 1611, in the meaning defined above

Time Traveler
The first known use of unblinded was circa 1611

Dictionary Entries Near unblinded

Cite this Entry

“Unblinded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unblinded. Accessed 28 May. 2024.

Medical Definition


un·​blind·​ed -ˈblīnd-əd How to pronounce unblinded (audio)
: made or done with knowledge of significant facts by the participants : not blind
an unblinded study of a drug's effectiveness
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!