un·​di·​ag·​nosed | \ ˌən-ˌdī-ig-ˈnōst How to pronounce undiagnosed (audio) , -əg-, -zd\

Definition of undiagnosed

: not diagnosed : not identified through diagnosis an undiagnosed illness … the symptoms of the syndrome may be subtle and thus may remain undiagnosed.— Dwight R. Robinson a condition that often goes undiagnosed

Examples of undiagnosed in a Sentence

Recent Examples on the Web

Every time Paul Rudd walks down a red carpet, the jokes about his undiagnosed case of Benjamin Button disease hit Twitter. Leah Prinzivalli, Allure, "Paul Rudd Finally Shares His Skin-Care Secrets," 25 Mar. 2019 Nelson also addresses the asylum seekers' health needs, sometimes finding cases of tuberculosis or HIV that previously had gone undiagnosed. Colby Itkowitz, Washington Post, "The Health 202: Kavanaugh may not completely gut Obamacare if he makes it to the Supreme Court," 11 July 2018 Michael’s death, caused by an undiagnosed complication from a gunshot wound, left Jane a bereaved widow. Maria Tallarico, Glamour, "9 Jane the Virgin Fan Theories That Will Keep You Up at Night," 11 Jan. 2019 Tension headaches can be caused by everything from dehydration and workplace stress to undiagnosed diabetes or an autoimmune disease. Amy Marturana, SELF, "What Your Headaches Can Tell You About Your Health," 29 Dec. 2018 Many survivors endured lingering PTSD, a psychological disorder that often went undiagnosed during this time. Matt Blitz, Popular Mechanics, "Pearl Harbor Still Holds a Few Mysteries," 7 Dec. 2018 The study, led by researchers at the Centers for Disease Control and Prevention, traced a puzzling cluster of Ebola cases in Liberia to a mother who appeared to have had a stealthy, undiagnosed infection for more than a year. Beth Mole, Ars Technica, "Ebola mysteriously hid in a woman for more than a year before spreading," 27 July 2018 By some estimates, only 45 percent of people who have HCV know it; even more might go undiagnosed (and untreated) without the ACA, which covers hep C testing as one of the recommendations of the U.S. Preventative Services Task Force. Dorri Olds, Woman's Day, "I Might Not Be Alive Today If It Weren't for Obamacare," 14 Feb. 2017 Children with undiagnosed concussions are at risk for another one and longer recovery times. The Associated Press Health & Science Department receives support from the Howard Hughes Medical Institute’s Department of Science Education. Lindsey Tanner, The Seattle Times, "New advice on kids’ concussions calls for better tracking," 4 Sep. 2018

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

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First Known Use of undiagnosed

1864, in the meaning defined above

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Statistics for undiagnosed

Last Updated

16 Apr 2019

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Time Traveler for undiagnosed

The first known use of undiagnosed was in 1864

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More Definitions for undiagnosed


un·​di·​ag·​nosed | \ -ˈnōst How to pronounce undiagnosed (audio) \

Medical Definition of undiagnosed

: not diagnosed : eluding diagnosis undiagnosed disease

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