: an adulterating substance or agent
adulterant adjective

Examples of adulterant in a Sentence

concerned about adulterants in the town's water supply coming from the discharge from the factory
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.
Soon, Wiley was releasing regular bulletins on food adulterants and advocating for national laws. Lauren Leffer, Popular Science, 1 May 2025 Often, a patchwork of public health experts and harm-reduction groups help test samples and educate people about dangerous new adulterants cycling through local drug supplies. Isaac Avilucea, Axios, 3 Apr. 2025

Word History

First Known Use

circa 1755, in the meaning defined above

Time Traveler
The first known use of adulterant was circa 1755

Browse Nearby Words

Cite this Entry

“Adulterant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adulterant. Accessed 14 Jun. 2025.

Kids Definition

adulterant

noun
: something used to adulterate another thing

Medical Definition

: an adulterating substance or agent
adulterant adjective

More from Merriam-Webster on adulterant

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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