This is the 4916th most frequent Japanese word.
盛り上がる
"To become excited, lively, or enthused; to swell or rise."
Here, '盛り上がる' is used to describe the atmosphere of an event becoming animated and full of energy.
そのパーティーは盛り上がりました。
The party got lively and exciting.
In this sentence, '盛り上がる' indicates an increase in intensity or engagement in a discussion.
議論が盛り上がり、夜遅くまで続きました。
The discussion became intense and continued until late at night.
Here, '盛り上がる' refers to an enhancement or uplift in the mood or atmosphere due to external factors such as cheering.