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.
This system sets a new standard for noninvasive BCI performance. Mrigakshi Dixit, Interesting Engineering, 1 Sep. 2025 They could also be woven into smart textiles for noninvasive biomedical sensing or temperature monitoring. ArsTechnica, 31 Aug. 2025 Bite wounds now serve as biological signposts, providing a noninvasive window into the hidden world of shark reproduction. Melissa Cristina Márquez, Forbes.com, 27 Aug. 2025 Red-light therapy devices for hair growth are some of the most promising noninvasive tools for targeting hair loss, with research showing that wavelengths around 650 nanometers can stimulate follicles, increase blood flow, and energize scalp cells. Malia Griggs, Glamour, 25 Aug. 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

Browse Nearby Words

Cite this Entry

“Noninvasive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noninvasive. Accessed 10 Sep. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!