Adjective "deadweights" definition and examples

Definitions

1. the heavy, unrelieved weight of anything inert: The dead weight of the bear's body was over 300 pounds.

2. a heavy or oppressive burden or responsibility.

3. the weight of a railroad car, truck, etc., as distinct from its load or contents.

More examples(as adjective)

"tonnes can be deadweights."

Origin

(dead weight)