1. to crush or break something into small pieces or powder
2. to rub two surfaces together with pressure, often making a harsh sound
3. to sharpen or smooth something by rubbing it against a rough surface

1. hard, monotonous work or routine
Usage: informal
2. the act or sound of grinding

Examples

• She used a mortar and pestle to grind the spices.
• The old car’s brakes began to grind loudly.
• He needs to grind the knife blade to make it sharp again.
• Students often grind through their homework late at night.
• The daily grind of commuting wore him down.
• I heard the grind of metal against stone.
• The coffee shop grinds fresh beans every morning.
• Don’t grind your teeth while you sleep.