- Describing something that causes more sober thought or concern.
- It was a sobering thought that I had almost killed myself. That was something I wouldn't soon do on purpose again.
- 2011 October 29, Phil McNulty, “Chelsea 3 - 5 Arsenal”, BBC Sport:
- For Chelsea coach Andre Villas-Boas, this was his most sobering moment in the Premier League and he looked stunned on the sidelines at the regularity with which Chelsea's defence was exposed.
- Present participle of sober.