noun
- a person or thing that flattens or makes something flat or level
- something that defeats or overwhelms someone completely
Usage: informal
Examples
- The road crew used a heavy flattener to compress the asphalt.
- That unexpected loss was a real flattener for the team's confidence.
- A steamroller is an effective flattener for leveling ground.
- The criticism was a flattener that left him speechless.
- Industrial flatteners are essential in manufacturing metal sheets.