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

The guidelines also call for wider use of coronary calcium scoring, which is a noninvasive scan that measures calcified plaque in the arteries. —Allison Aubrey, NPR, 13 Mar. 2026

And while some have turned to noninvasive imaging methods such as magnetic resonance imaging (MRI) and transvaginal ultrasound very few doctors receive enough training in how to use ultrasound to diagnose endometriosis. —Tanya Lewis, Scientific American, 12 Mar. 2026

The latter is a medical technology company developing noninvasive monitoring strategies. —Ashley MacKin Solomon, San Diego Union-Tribune, 11 Mar. 2026

Researchers have used noninvasive tools in community studies to track exposure without medical procedures, lowering barriers to participation and reducing the burden on volunteers. —Yaw Edu Essandoh, The Conversation, 9 Mar. 2026

Word History

First Known Use

1968, in the meaning defined at sense 1

Rhymes for noninvasive

• unpersuasive
• abrasive
• invasive
• persuasive
• pervasive

Medical 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