non·​smok·​er | \ ˌnän-ˈsmō-kər How to pronounce nonsmoker (audio) \
plural nonsmokers

Definition of nonsmoker

: 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 Imagine being young and healthy, a nonsmoker with no preexisting health conditions, and then waking up one morning feeling like you were being suffocated by an unseen force. Margot Gage Witvliet, The Conversation, "I’m a COVID-19 long-hauler and an epidemiologist – here’s how it feels when symptoms last for months," 11 Aug. 2020 And a preprint study found that the gene that encodes the receptor ACE2, which the novel coronavirus uses to infect cells, is more active in smokers than nonsmokers. Tanya Lewis, Scientific American, "Smoking or Vaping May Increase the Risk of a Severe Coronavirus Infection," 17 Mar. 2020 In a 2008 study, for instance, doctors reported that nonsmokers were nearly three times more likely to get pregnant from I.V.F. than smokers. Melinda Wenner Moyer, New York Times, "Female Infertility: What to Do and How to Cope," 18 Apr. 2020 One report suggests that smokers have a 14-times higher risk of severe illness with a COVID-19 infection than nonsmokers, Han said. Meredith Spelbring, Detroit Free Press, "Quit smoking now to help boost chances of fighting off coronavirus, experts say," 3 Apr. 2020 Good candidates for a facelift include people who are generally healthy and do not have any conditions that might impair healing, those who have realistic expectations and a positive outlook, and nonsmokers. Allie Morris, Dallas News, "Which Facelift Procedure Is Right for You?," 12 Mar. 2020 When Paul Bagga was diagnosed with metastatic lung cancer that soon spread to his brain, the nonsmoker was devastated and terrified. Marie Mccullough,, "Cancer patients often need this one basic thing to participate in clinical trials," 11 Oct. 2019 And in recent years, a variety of smoking bans have saved nonsmokers from passively sucking in harmful cigarette chemicals. Erica Tennenhouse, Science | AAAS, "‘Thirdhand’ smoke can expose moviegoers to the emissions of up to 10 cigarettes," 4 Mar. 2020 And tax increases have the backing of both smokers and nonsmokers, if the money is used to fund healthcare programs. Chris Morris, Fortune, "New Jersey wants to raise the price of cigarettes to nearly $12 per pack," 25 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nonsmoker.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of nonsmoker

1846, in the meaning defined above

Keep scrolling for more

Learn More about nonsmoker

Time Traveler for nonsmoker

Time Traveler

The first known use of nonsmoker was in 1846

See more words from the same year

Statistics for nonsmoker

Cite this Entry

“Nonsmoker.” Dictionary, Merriam-Webster, Accessed 21 Oct. 2020.

Keep scrolling for more

More Definitions for nonsmoker


How to pronounce nonsmoker (audio)

English Language Learners Definition of nonsmoker

: a person who does not smoke


non·​smok·​er | \ (ˈ)nän-ˈsmō-kər \

Kids Definition of nonsmoker

: a person who does not smoke tobacco


non·​smok·​er | \ -ˈsmō-kər How to pronounce nonsmoker (audio) \

Medical Definition of nonsmoker

: a person who does not smoke tobacco

More from Merriam-Webster on nonsmoker

Nglish: Translation of nonsmoker for Spanish Speakers

Comments on nonsmoker

What made you want to look up nonsmoker? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!