Sentence:  The Defense Department, for example, has greatly expanded competitive bidding and is this year submitting to Congress the first-ever 2-year defense budget to replace the old, <WSD>inefficient</WSD>, year-by-year process. 
Meaning of the word marked with <WSD> tags:  Incapable of, or indisposed to, effective action; habitually slack or unproductive; effecting little or nothing