mood swing
noun
: a very noticeable change in mood
It's hard to relate to someone who has such wild/extreme mood swings.
Examples of mood swing in a Sentence
Recent Examples on the Web
Helping the market get its head around AI The AI mood swing that left LSEG’s shares underperforming the FTSE-100 challenged the core of Schwimmer’s strategy.
—
Andrew Edgecliffe-Johnson, semafor.com, 27 Mar. 2026
If there’s a major mood swing, our desire to sit on our hands may change.
—Zev Fima, CNBC, 10 Mar. 2026
There will be one more chilly day before another big February mood swing, with springlike temperatures, gusty winds and a good chance of rain later this week, according to the National Weather Service.
—Kansas City Star, 23 Feb. 2026
The aircrafty switches are still there, underneath that screen, but are now more aircraft-like than aircraft-style, a sort of mood swing from the previous generations.
—New Atlas, 7 Sep. 2025
The cultural mood swing signals a larger trend Maron touches on briefly in his special.
—Hershal Pandya, Vulture, 22 Aug. 2025
Does my mood swing drastically based on their attention?
—Mark Travers, Forbes.com, 27 Mar. 2025
That's a big mood swing, and Trump used Americans' economic uneasiness to pave his path back to White House — with promises of fixing it.
—Domenico Montanaro, NPR, 19 Jan. 2025
You Experience Mood Changes An occasional mood swing isn't a cause for concern.
—Cristina Mutchler, Health, 7 Jan. 2025
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Andrew Edgecliffe-Johnson, semafor.com, 27 Mar. 2026
If there’s a major mood swing, our desire to sit on our hands may change.
—Zev Fima, CNBC, 10 Mar. 2026
There will be one more chilly day before another big February mood swing, with springlike temperatures, gusty winds and a good chance of rain later this week, according to the National Weather Service.
—Kansas City Star, 23 Feb. 2026
The aircrafty switches are still there, underneath that screen, but are now more aircraft-like than aircraft-style, a sort of mood swing from the previous generations.
—New Atlas, 7 Sep. 2025
The cultural mood swing signals a larger trend Maron touches on briefly in his special.
—Hershal Pandya, Vulture, 22 Aug. 2025
Does my mood swing drastically based on their attention?
—Mark Travers, Forbes.com, 27 Mar. 2025
That's a big mood swing, and Trump used Americans' economic uneasiness to pave his path back to White House — with promises of fixing it.
—Domenico Montanaro, NPR, 19 Jan. 2025
You Experience Mood Changes An occasional mood swing isn't a cause for concern.
—Cristina Mutchler, Health, 7 Jan. 2025
Cite this Entry
“Mood swing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mood%20swing. Accessed 1 Apr. 2026.
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