WordNet
waste of energy
n. a useless effort [syn: waste of effort]
Usage examples of "waste of energy".
Rhiow was tempted to clout him, but it would be a waste of energy, and it really was difficult being annoyed for long at so good-looking a young tom, at least when he was behaving himself.
For some reason, the air in their quarters was artificially chill, a waste of energy, and he directed Yaut to find the temperature controls.
The Pax Mercantilus views all such conflicts as a waste of energy and precious human and material resources.
Wildly shooting would be a waste of energy and that, he knew, needed conserving.
The computer gave way, Trevize explained, in order to prevent an unnecessary waste of energy and to minimize the chance of physical damage.