mania
🇺🇸
/ˈmeɪniə/
🇬🇧
/ˈmeɪniə/
A very strong feeling of excitement or interest in something that many people share at the same time.
The football fans' excitement turned into a mania when their team won the championship.
A mental health condition where someone has a lot of energy, is very active, and may believe things that aren't real.
The doctor diagnosed her with a form of mania that caused her to have unusual thoughts and behaviors.