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.
The bureau also worked with an osteologist to take noninvasive measurements of the skulls to help identify their origins and return them for proper reburial ceremonies. Domenica Bongiovanni, IndyStar, 5 Nov. 2025 The star — who is also set to appear in Scream 7 in 2026 — recently used his scare-king status in a partnership with Exact Sciences to help spread awareness about Cologuard, a noninvasive at-home screening test for colon cancer. Toria Sheffield, PEOPLE, 25 Oct. 2025 There’s also the Espansione Group, which specializes in the design and manufacturing of noninvasive medical devices. Footwear News, 21 Oct. 2025 How the brain test works The noninvasive test is an electroencephalogram, or EEG, which involves placing small electrodes on the scalp to record electrical activity in the brain. Kristen Rogers, CNN Money, 12 Oct. 2025 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 17 Nov. 2025.

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
Last Updated: - Updated example sentences
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