moodswings
nounUK /ˈmuːd.swɪŋz/
US /ˈmuːd.swɪŋz/
When your feelings change quickly from happy to sad or angry.
She has moodswings, so she can be laughing one minute and crying the next.
OTHER MEANINGS
2. Sudden changes in how someone feels, often caused by stress or tiredness.
His moodswings got worse when he was not sleeping well.
3. Quick shifts in a group's or team's overall attitude or energy.
The team's moodswings showed in their play after every goal.
4. Changes in the tone or feeling of a story, song, or piece of art.
The song's moodswings go from calm to very loud.