megadose

noun

mega·​dose ˈme-gə-ˌdōs How to pronounce megadose (audio)
: a large dose (as of a vitamin)

Examples of megadose in a Sentence

He took megadoses of vitamin C.
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.
Listen to holiday music and immerse yourself in a megadose of holiday cheer. Caroline Ritzie, Cincinnati Enquirer, 28 Dec. 2025 Logging on already provides a daily megadose of paranoia (mass surveillance), epistemic vertigo (deepfakes), and fremdschämen (thirstposting). Meghan O'Gieblyn, Wired, 16 Sep. 2020 Perhaps a megadose of LSD, or a shroom trip, or one more ayahuasca ceremony will finally heal me. Stuart Leach, Washington Post, 25 Mar. 2018

Word History

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of megadose was in 1971

Browse Nearby Words

Cite this Entry

“Megadose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/megadose. Accessed 1 Jul. 2026.

Kids Definition

megadose

noun
mega·​dose -ˌdōs How to pronounce megadose (audio)
: a large dose (as of a vitamin)

Medical Definition

megadose

noun
mega·​dose -ˌdōs How to pronounce megadose (audio)
: a large dose (as of a vitamin)
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