Wiktionary
vb. (present participle of kill off English)
Usage examples of "killing off".
They're killing off a whole ecology just to create estates for the taxpayers.
Whether it was a matter of killing off unproductive elements in his own world-filling bulk, or perfecting methods for torturing us, AM was as thorough as those who had invented him—.
Whether it was a matter of killing off unproductive elements in his own world-filling bulk, or perfecting methods for torturing us, AM was as thorough as those who had invented him -- now long since gone to dust -- could ever have hoped.
Whether it was a matter of killing off unproductive elements in his own world-filling bulk, or perfecting methods for torturing us, AM was as thorough as those who had invented him—.
Or maybe there is something more sinister: plagues of killer robots sliding silently between the stars, killing off fledgling cultures for their own antique purposes.
You can't, as they say, take it with you, wherever you are inevitably off to, and Hawthorne's pleasure in first killing off the Judge, and then in patiently pointing this out to his dead body while delightedly placing a fly on his nose, marks the true center of this American romance.
As the process wore on, Harry had ample confirmation of the fact that, for whatever mysterious reason, the attacking enemy was being somewhat selective in the methodical way it went about killing off these upstart badlife.
Now he was secretly and single-handedly keeping these Ichani at bay by killing off their spies.