nonsmoker

noun

non·​smok·​er ˌnän-ˈsmō-kər 

plural nonsmokers

: a person who does not smoke tobacco : a person who is not a smoker

Radon poisoning is the leading cause of lung cancer in nonsmokers, according to the Environmental Protection Agency.

—Jonathan Scholles

Examples of nonsmoker in a Sentence

Recent Examples on the Web

Among nonsmokers, the increase is even more dramatic, with the gene raising lung cancer risk some 60 times. — Tom Gavin, EverydayHealth.com, 18 Sep. 2026

Advertisement The current study focused on smokers, but ultimately, the same strategy could be used to expand screening guidelines to include nonsmokers who go on to develop lung cancer and are not currently eligible for any lung cancer screening. — Alice Park, Time, 18 May 2026

Healthy nonsmokers, diagnosed late, often by accident. — Armstrong Williams, Baltimore Sun, 1 May 2026

In my view, the key obstacle to creating future generations of nonsmokers is that people do not fully understand how dangerous smoking is and do not realize the formidable influence of the tobacco industry. — Marie Helweg-Larsen, The Conversation, 10 Apr. 2026

Word History

First Known Use

1846, in the meaning defined above

Rhymes for nonsmoker

• pawnbroker
• stockbroker
• broker
• choker
• coker
• croaker
• joker
• ochre
• poker
• smoker
• mediocre

Medical Definition

nonsmoker

noun

non·​smok·​er -ˈsmō-kər 

: a person who does not smoke tobacco