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hot flash

noun

: a sudden brief flushing and sensation of heat caused by dilation of skin capillaries usually associated with menopausal endocrine imbalance

called also hot flush

Examples of hot flash 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.
The brain might interpret the body as too hot and tell it to start sweating to cool off, leading to symptoms of hot flashes. Akshay Syal, NBC news, 27 Nov. 2025 Research shows that hormone therapy can help relieve many of the symptoms of menopause — including hot flashes, night sweats and vaginal dryness — and can help protect against bone loss and lower the risk of developing diabetes. Lisa Jarvis, Twin Cities, 23 Nov. 2025 After six weeks, the researchers found that individuals in the self-hypnosis group had about a 53 percent reduction in hot flash frequency and intensity. Tom Gavin, EverydayHealth.com, 17 Nov. 2025 Women are met with symptoms that range from hot flashes and night sweats to decreased libido and anxiety. Alexa Mikhail, Flow Space, 13 Nov. 2025 See All Example Sentences for hot flash

Word History

First Known Use

1907, in the meaning defined above

Time Traveler
The first known use of hot flash was in 1907

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Cite this Entry

“Hot flash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hot%20flash. Accessed 1 Dec. 2025.

Medical Definition

hot flash

noun
: a sudden brief flushing and sensation of heat caused by dilation of skin capillaries usually associated with menopausal endocrine imbalance

called also hot flush

More from Merriam-Webster on hot flash

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