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
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According to the outlet, the royal had the treatment while pregnant with Prince George, now 11, and suffered from hyperemesis gravidarum, which causes morning sickness. Janine Henni, People.com, 3 July 2025 One review found that the spice can improve morning sickness in pregnant people and nausea in people who receive chemotherapy. Julie Marks, Verywell Health, 2 July 2025 While there's no universal cure to morning sickness, Lauri explained that small changes can make a big difference. Daniella Gray, MSNBC Newsweek, 5 Apr. 2025 Hormonal changes are responsible for triggering things like nausea and dizziness, including that pesky morning sickness, particularly in the first trimester. Rachel Nall, SELF, 17 June 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 25 Jul. 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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