un·​der·​di·​ag·​nose | \ ˌən-dər-ˈdī-ig-ˌnōs How to pronounce underdiagnose (audio) , -ˌnōz; -ˌdī-ig-ˈnōs, -ˈnōz, -əg- \
underdiagnosed; underdiagnosing; underdiagnoses

Definition of underdiagnose

transitive verb

: to diagnose (a condition or disease) less often than it is actually present

Other Words from underdiagnose

underdiagnosis \ ˌən-​dər-​ˌdī-​ig-​ˈnō-​səs How to pronounce underdiagnose (audio) , -​əg-​ How to pronounce underdiagnose (audio) \ noun

First Known Use of underdiagnose

1974, in the meaning defined above

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Time Traveler for underdiagnose

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The first known use of underdiagnose was in 1974

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Cite this Entry

“Underdiagnose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/underdiagnose. Accessed 22 Jan. 2021.

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More Definitions for underdiagnose


transitive verb
un·​der·​di·​ag·​nose | \ -ˈdī-ig-ˌnōs, -ˌnōz; -ˌdī-ig-ˈ, -əg- How to pronounce underdiagnose (audio) \
underdiagnosed; underdiagnosing

Medical Definition of underdiagnose

: to diagnose (a condition or disease) less often than it is actually present Army neurologists fear that severe brain injuries are being underdiagnosed— Ronald F. Glasser, Harper's, July 2005 … the negative effects of underdiagnosing and undertreating pain … — Ellen Jan Kleinerman, The Plain Dealer (Cleveland, Ohio), 24 Jan. 2012

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