tobacco

noun

to·​bac·​co tə-ˈba-(ˌ)kō How to pronounce tobacco (audio)
plural tobaccos
1
: any of a genus (Nicotiana) of chiefly American plants of the nightshade family with viscid foliage and tubular flowers
especially : a tall erect annual tropical American herb (N. tabacum) cultivated for its leaves
2
: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff
3
: manufactured products of tobacco (such as cigars or cigarettes)
also : smoking as a practice
has sworn off tobacco
4
: a moderate brown

Illustration of tobacco

Illustration of tobacco
  • tobacco 1

Examples of tobacco in a Sentence

a farm that grows tobacco a state tax on tobacco
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For instance, research has shown that tobacco smoking is associated with faster biological aging, while taking daily multivitamins may slow biological aging in older adults. Lindsey Leake, NBC news, 5 Apr. 2026 Rational tax policies have also played an important role in curbing the trends of tobacco smoke. Bautista Vivanco, Boston Herald, 4 Apr. 2026 Supporters of the bill, including Richard Daynard, have drawn parallels between the rapid expansion of sports betting and the historical growth of the tobacco industry, defending stricter federal oversight. Cláudia Nunes, The Orlando Sentinel, 2 Apr. 2026 Berman has served in leadership roles in litigation against major corporations and institutions, including tobacco companies, the National Collegiate Athletic Association and automotive manufacturers whose diesel emissions practices became the subject of global scrutiny. Nia Bowers, USA Today, 1 Apr. 2026 See All Example Sentences for tobacco

Word History

Etymology

Spanish tabaco, probably from Taino, roll of tobacco leaves

First Known Use

circa 1565, in the meaning defined at sense 1

Time Traveler
The first known use of tobacco was circa 1565

Browse Nearby Words

Cite this Entry

“Tobacco.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tobacco. Accessed 6 Apr. 2026.

Kids Definition

tobacco

noun
to·​bac·​co tə-ˈbak-ō How to pronounce tobacco (audio)
plural tobaccos
1
: any of a genus of chiefly American plants of the nightshade family that have sticky leaves and tube-shaped flowers
especially : a tall upright tropical American herb with pink or white flowers that is grown for its leaves
2
: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff

Medical Definition

tobacco

noun
to·​bac·​co tə-ˈbak-(ˌ)ō How to pronounce tobacco (audio)
plural tobaccos
1
: any plant of the genus Nicotiana
especially : an annual South American herb (N. tabacum) cultivated for its leaves
2
: the leaves of cultivated tobacco prepared for use in smoking or chewing or as snuff
3
: manufactured products of tobacco
also : the use of tobacco as a practice

More from Merriam-Webster on tobacco

Love words? Need even more definitions?

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

More from Merriam-Webster