unblinded
adjective
un·blind·ed
ˌən-ˈblīn-dəd 
1
: 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
Jack London2
sometimes offensive
: made or done with knowledge of significant facts that may cause bias
unblinded studies of a drug's effectiveness
see usage paragraph at blind entry 1
3
: not furnished with a blind or blinds
unblinded windows
Examples of unblinded in a Sentence
Recent Examples on the Web
Many organizations fall into the trap of comparing unblinded internal survey scores to external benchmarks — an inappropriate approach.
—Forrester, Forbes.com, 30 Apr. 2025
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
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
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Forrester, Forbes.com, 30 Apr. 2025
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
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
Cite this Entry
“Unblinded.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unblinded. Accessed 7 Nov. 2025.
Copy CitationMedical Definition
unblinded
adjective
un·blind·ed
-ˈblīnd-əd
: made or done with knowledge of significant facts by the participants
an unblinded study of a drug's effectiveness
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