It is not an efficient way to write, but I love that exploratory phase, when even bad writing somehow seems promising.
The staff was as busy as LAX air-traffic controllers, but they got it to me in an efficient rush.
Now you can sell your stuff to the world in the most efficient way possible.
"capable of producing the desired effect," late 14c., "making, producing immediate effect," from Old French efficient and directly from Latin efficientem (nominative efficiens) "effective, efficient, producing, active," present participle of efficere "work out, accomplish" (see effect). Meaning "productive, skilled" is from 1787. Related: Efficiently.