: a nonintoxicating cannabinoid found in cannabis and hemp : cannabidiol
More than a dozen medical trials in the past decade have shown that treatments containing THC (and some that combine THC with another derivative called cannabidiol, or CBD) not only ease pain in MS patients but also alleviate other problems associated with the disease.Nathan Seppa
Under Leni's Law, named for a child whose daily seizures are mitigated by CBD usage, CBD oils [=oils containing cannabidiol] can't contain more than 3 percent THC "relative to CBD." For example if an oil has 10 mg of CBD, it could have no more than 0.3 mg of THC.Andrew J. Yawn

CBD

2 of 2

abbreviation

1
cash before delivery
2
central business district

Examples of CBD in a Sentence

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.
Noun
Out of all of the nations of the world, only two declined to ratify the work of the CBD. Mark Vanderschaaf, Twin Cities, 18 May 2026 Burglars broke into a CBD and kratom dispensary on Chicago's Near West Side early Monday morning. Adam Harrington, CBS News, 18 May 2026 The underlying science developed by Vella's R&D team focuses on reducing uterine contractility through a novel combination of CBD and CBDA. Geri Stengel, Forbes.com, 15 May 2026 Even before the legalization of hemp, CBD had been a passion of Gordon’s. William Deffaa, Baltimore Sun, 14 May 2026 See All Example Sentences for CBD

Word History

First Known Use

Noun

1962, in the meaning defined above

Time Traveler
The first known use of CBD was in 1962

Browse Nearby Words

Cite this Entry

“CBD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/CBD. Accessed 20 May. 2026.

Medical Definition

CBD

1 of 2 noun
: a nonintoxicating cannabinoid found in cannabis and hemp : cannabidiol
Under Leni's Law, named for a child whose daily seizures are mitigated by CBD usage, CBD oils can't contain more than 3 percent THC "relative to CBD." For example if an oil has 10 mg of CBD, it could have no more than 0.3 mg of THC.Andrew J. Yawn

CBD

2 of 2 abbreviation
1
closed bladder drainage
2
common bile duct
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