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
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
But American voters’ verdict in November – denying her the White House, and the Democrats a majority in both chambers of Congress – is typical of a major mood swing in democracies around the world.
—Ned Temko, The Christian Science Monitor, 5 Dec. 2024
Catching early signs of a mood swing can enable people to take countermeasures or seek help before things get bad.
—IEEE Spectrum, 19 May 2024
Liane is all about vanity, yet there isn’t a trace of vanity to this performance, which is tethered to Liane’s every volatile mood swing.
—Owen Gleiberman, Variety, 16 May 2024
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.
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
But American voters’ verdict in November – denying her the White House, and the Democrats a majority in both chambers of Congress – is typical of a major mood swing in democracies around the world.
—Ned Temko, The Christian Science Monitor, 5 Dec. 2024
Catching early signs of a mood swing can enable people to take countermeasures or seek help before things get bad.
—IEEE Spectrum, 19 May 2024
Liane is all about vanity, yet there isn’t a trace of vanity to this performance, which is tethered to Liane’s every volatile mood swing.
—Owen Gleiberman, Variety, 16 May 2024
Cite this Entry
“Mood swing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mood%20swing. Accessed 17 Sep. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share