noninfectious

adjective

non·​in·​fec·​tious ˌnän-in-ˈfek-shəs 

: not infectious or caused by infection

noninfectious diseases

a vaccine containing inactivated noninfectious viruses

noninfectious allergic conjunctivitis

Examples of noninfectious in a Sentence

Recent Examples on the Web

Kennedy’s largest focus of late has been on noninfectious diseases such as diabetes and cancer and their risk factors such as obesity. — Byjocelyn Kaiser, science.org, 15 Nov. 2024

This tube contains 15 billion virus-like vesicles—small sacs of noninfectious particles replicated in a lab. — IEEE Spectrum, 27 July 2025

Often, coughs are caused by noninfectious conditions such as asthma, allergies, reflux diseases and chronic sinus drainage, Green says. — Daryl Austin, USA Today, 30 Jan. 2026

However, several types of infectious and noninfectious meningitis don’t spread from person to person. — Heidi Moawad, Verywell Health, 18 Jan. 2025

Word History

First Known Use

1850, in the meaning defined above

Rhymes for noninfectious

• infectious

Medical Definition

noninfectious

adjective

non·​in·​fec·​tious -in-ˈfek-shəs 

: not infectious

noninfectious disease

noninfectious endocarditis