morning sickness

noun

: nausea and vomiting that occurs typically in the morning especially during the earlier months of pregnancy

Examples of morning sickness 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.
Unlike typical morning sickness, HG can cause prolonged vomiting, dehydration, weight loss and malnutrition. Daniella Gray, MSNBC Newsweek, 18 Sep. 2025 From severe morning sickness to complications that required hospitalization, the experience left me exhausted and anxious about the possibility of going through it again. Harriette Cole, Mercury News, 18 Sep. 2025 In the 1960s, a drug called thalidomide that was widely prescribed to treat morning sickness in pregnant women caused severe birth defects in over 10,000 children around the world. Almut Winterstein, The Conversation, 28 Aug. 2025 Nausea and vomiting symptoms associated with morning sickness can reduce appetite and overall food intake.9 On the other hand, research has also shown that some pregnant people eat more milk, meat, and eggs as a result of the nausea and vomiting during the early stages of pregnancy. Laura Schober, Health, 21 Aug. 2025 See All Example Sentences for morning sickness

Word History

First Known Use

1803, in the meaning defined above

Time Traveler
The first known use of morning sickness was in 1803

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Cite this Entry

“Morning sickness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/morning%20sickness. Accessed 2 Oct. 2025.

Kids Definition

morning sickness

noun
: nausea that occurs typically in the morning and that is usually associated with the early months of pregnancy

Medical Definition

morning sickness

noun
: nausea and vomiting that occurs typically in the morning especially during the earlier months of pregnancy

More from Merriam-Webster on morning sickness

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