depletable
de·plete
D0142700 (dĭ-plēt′)These verbs mean to use up something important that is hard to replace. Deplete refers to gradually consuming something essential: Medical bills quickly depleted our savings. To drain is to draw down a resource or supply to a critical level: War often drains a nation's economy. Exhaust stresses depletion to a point of emptiness or uselessness: "The Depression had exhausted the capacity of private charities and state and local governments to cope with the needs of millions of unemployed Americans" (Patrick Maney).
Sap suggests a slow loss of something vital: "The [ivory] trade certainly sapped labor from farming and disrupted village life" (Eric Scigliano).
Adj. | 1. | depletable - capable of being depleted |