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 global race to build noninvasive brain interfaces China is not alone in exploring ultrasound brain-computer interface systems. —Kurt Knutsson, FOXNews.com, 2 Mar. 2026

While some ruptured or torn Achilles tendon injuries can be treated with noninvasive options, other injuries require surgery to be repaired. —Keisha Rowe, Louisville Courier Journal, 26 Feb. 2026

Treatments to manipulate the microbiome Making healthy lifestyle changes is a noninvasive way to cultivate a youthful microbiome that may slow aging. —Bill Sullivan, The Conversation, 18 Feb. 2026

Although noninvasive stool tests such as Cologuard can make screening easier to access, colonoscopy remains the gold standard for colorectal cancer detection. —Kaitlin Sullivan, NBC news, 15 Feb. 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