Pronunciation: (wā'stij),[key] —n. 1. loss by use, wear, decay, etc.
2. loss or losses as the result of wastefulness: The annual wastage of time due to illness is appalling. 3. the action or process of wasting: the steady wastage of erosion. 4. something that is wasted; waste or waste materials: The river was befouled by factory wastage.