"Irreplaceable": If your ex is having trouble finding his way out of the house, provide clear and consistent directions.
It has been in operation under consistent direction and ownership since 2000.
The Republicans have drifted from election to election without consistent direction in ideology or strategy.
He holds the trigger down and just tries to keep it aimed in a consistent direction until all the ammunition is gone.
This returns along the next furrow, again working the field in a consistent direction.
Gradually, he found himself moving in a consistent direction.
You, on the other hand, while willing to help out friends, have no consistent direction in your life.
After Lee left, he was replaced by a series of writers who failed to provide consistent direction for the book.
According to Jason's first law of motion, everybody continues in a consistent direction unless acted on by an outside force.
What has been lacking is a consistent direction and a logical starting point.