morning sickness

American  

noun

1. nausea occurring in the early part of the day, especially as a characteristic symptom in the first months of pregnancy.

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morning sickness British  

noun

1. nausea occurring shortly after rising: an early symptom of pregnancy

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Etymology

Origin of morning sickness

First recorded in 1875–80

Example Sentences

See Examples For:

morning sickness

One version of the molecule helped treat morning sickness in pregnant women, while its mirror image caused serious birth defects.

From Science Daily ● Mar. 21, 2026

The intense morning sickness she endured during the pregnancy had eroded the enamel on her teeth.

From The Wall Street Journal ● Dec. 28, 2025

"Around about six weeks, the morning sickness really kicked in. Every morning, I was up being sick. Everything I ate, I was being sick."

From BBC ● Jan. 10, 2025

While regular morning sickness typically subsides at around 12 weeks, HG can last the whole time.

From Slate ● Sep. 15, 2024

She was no longer in college, having dropped out during her third semester because of morning sickness, two Ds, and one F. Lily, she thought, would be simpler than Savannah.

From "Where Things Come Back" by John Corey Whaley