noninvasive
adjective
non·in·va·sive
ˌnän-in-ˈvā-siv 
-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
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
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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
Cite this Entry
“Noninvasive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/noninvasive. Accessed 17 Sep. 2025.
Copy CitationMedical Definition
noninvasive
adjective
non·in·va·sive
ˌnän-in-ˈvā-siv, -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 that do not require the injection of dyes
noninvasively
adverb
noninvasiveness
noun
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