noninvasive

adjective

non·​in·​va·​sive ˌnän-in-ˈvā-siv How to pronounce noninvasive (audio)
-ziv
1
: not tending to spread
specifically : not tending to infiltrate and destroy healthy tissue
noninvasive cancer of the bladder
2
: not being or involving an invasive medical procedure
noninvasive imaging techniques
noninvasively adverb

Examples of noninvasive in a Sentence

noninvasive techniques of measuring brain activity
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
According to a lawsuit, the fibroid was small, and could be removed with a simple, noninvasive surgery. Christie Thompson, NPR, 17 June 2026 Their study used artworks by Vincent van Gogh to demonstrate how this noninvasive technique can compare fractal dimensions via very high-resolution scans of the objects’ surfaces. Leigh Anne Miller, ARTnews.com, 11 June 2026 Originally developed in the late 1940s by gynecologist Arnold Kegel as a noninvasive treatment for urinary incontinence in women, notes Caponero, Kegels involve repeatedly contracting and relaxing the pelvic floor muscles. Daryl Austin, USA Today, 10 June 2026 The 29-year-old left-hander had a noninvasive procedure on May 6 to remove a loose body from his throwing elbow. CBS News, 7 June 2026 See All Example Sentences for noninvasive

Word History

First Known Use

1968, in the meaning defined at sense 1

Time Traveler
The first known use of noninvasive was in 1968

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Cite this Entry

“Noninvasive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noninvasive. Accessed 20 Jun. 2026.

Medical Definition

noninvasive

adjective
non·​in·​va·​sive ˌnän-in-ˈvā-siv, -ziv How to pronounce noninvasive (audio)
1
: not tending to spread
specifically : not tending to infiltrate and destroy healthy tissue
noninvasive cancer of the bladder
2
: not being or involving an invasive medical procedure
noninvasive imaging techniques that do not require the injection of dyes
noninvasively adverb
noninvasiveness noun
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