1. A short bar with weights at each end, used for exercise.

   1. He lifts a dumbbell every day to stay strong.
   2. She incorporated dumbbell exercises into her fitness routine for muscle toning.

2. A weight used in pairs for exercise or weightlifting.

   1. The gym provides various dumbbells for different strength levels.
   2. He increased the weight on the dumbbells gradually to build his strength safely.

1. To accidentally drop or damage something.

   1. Be careful to not dumbbell that glass sculpture.
   2. I nearly dumbbelled the antique vase while trying to move it.

2. To make into the shape of a dumbbell.

   1. The artist dumbbelled the clay for its unique design.
   2. The metalworker dumbbelled the steel rod to create the support.

1. To carelessly handle an object, risking damage.

   1. Please don't dumbbell the equipment in the lab.
   2. He dumbbelled the fragile item, and it almost fell.