Definitions

1. verb

to remove the weight from something, or to reduce the weight or burden of something

“The athlete had to unweight her backpack before the marathon.”

2. verb

to make something seem less important or less burdensome

“The news of the accident seemed to unweight the atmosphere of the party.”

3. noun

a reduction in weight or burden

“The unweighting of the spacecraft was a major challenge in the mission.”