noun
- a person or thing that gruels; something that causes extreme hardship or exhaustion
Usage: informal; often used in the phrase 'a real grueler' to describe a difficult task or ordeal
Examples
- That final exam was a real grueler.
- The marathon turned out to be a grueler for most of the runners.
- Working double shifts all week has been a grueler on my energy levels.
- The cross-country road trip proved to be a grueler for the whole family.