Wiktionary
take-no-prisoners
a. ruthlessly aggressive and uncompromising
Usage examples of "take-no-prisoners".
I was already known in the TV industry as a take-no-prisoners reporter.
He had the rangy, take-no-prisoners look of someone from one of the outer systems.
They are engineered and pushed forward at Howard’s famous driving pace by a gritty directness and stripped-down, take-no-prisoners attitude that is unique to Howard.