Some resources are not renewable - such as mineral deposits, petrochemicals and the like. Whether you use them quickly or whether you use them slowly, they don't come back. For this very reason it is hard to define overuse, since any use at all will have the same effect - depletion of the resource.
Adj. 1. altruistic-showing unselfish concern for the welfare of others. selfless. unselfish-disregarding your own advantages and welfare over those of others.
Definition of ACCRUAL. 1. : the action or process of accruing. 2. : something that accrues or has accrued.djective. : relating to or being a method of accounting that recognizes income when earned and expenses when incurred regardless of when cash is received or disbursed â compare cash.