antithyroid

adjective

an·​ti·​thy·​roid ˌan-ti-ˈthī-ˌrȯid How to pronounce antithyroid (audio)
: able to counteract excessive thyroid activity
antithyroid drugs

Examples of antithyroid 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.
Untreated Graves’ disease can lead to heart problems and osteoporosis, and treatments include medication like beta-blockers and antithyroid agents, as well as radioiodine therapy and surgery. Natalie Oganesyan, Deadline, 14 June 2025

Word History

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of antithyroid was in 1895

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Cite this Entry

“Antithyroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/antithyroid. Accessed 1 Jul. 2025.

Medical Definition

antithyroid

adjective
an·​ti·​thy·​roid -ˈthī-ˌrȯid How to pronounce antithyroid (audio)
: able to counteract excessive thyroid activity
antithyroid drugs
Last Updated: - Updated example sentences
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