1. A cause of sadness or melancholy. Getting dumped by my boyfriend was a real bring-down. Geez, that documentary about the environment was a bringdown, huh?
2. A disappointment. I thought our movie was going to be a great success, but the box office numbers for opening weekend were a real bringdown.
1. n. something that depresses someone. The news was a terrible bring-down.
2. n. something that brings someone back to reality. I have had one bring-down after another today.