non·​re·​spond·​er | \ˌnän-ri-ˈspän-dər \
plural nonresponders

Definition of nonresponder 

: one that does not respond survey nonresponders : someone (such as a patient) or something (such as a cell) that does not respond to something (such as medical treatment or an antigen) a patient who was a nonresponder to the experimental treatment

Examples of nonresponder in a Sentence

Recent Examples on the Web

If your tumors kept growing after treatment, you were considered a nonresponder. Eric Boodman, STAT, "How gut bacteria impact cancer treatment: meet the STAT Madness 2018 Editors’ Pick," 2 Apr. 2018 After months of this routine, the patients had their bodies scanned to assess the state of their tumors, and the researchers divided them into two groups: responders and nonresponders. Eric Boodman, STAT, "How gut bacteria impact cancer treatment: meet the STAT Madness 2018 Editors’ Pick," 2 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nonresponder.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nonresponder

1959, in the meaning defined above

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The first known use of nonresponder was in 1959

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non·​re·​spond·​er | \-ri-ˈspän-dər \

Medical Definition of nonresponder 

: one (as a person or a cell) that does not respond (as to medical treatment or to an antigen)

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