ruthlessness

As nouns the difference between ruthlessness and harshness

is that ruthlessness is the property of being ruthless while harshness is the quality of being harsh.

As nouns the difference between brutality and ruthlessness

is that brutality is the state of being brutal while ruthlessness is the property of being ruthless.

As nouns the difference between cruelty and ruthlessness

is that cruelty is an indifference to suffering or positive pleasure in inflicting suffering while ruthlessness is the property of being ruthless.

Ruthlessness is a related term of ferocity.

As nouns the difference between ruthlessness and ferocity

is that ruthlessness is the property of being ruthless while ferocity is the condition of being ferocious.

As nouns the difference between selfishness and ruthlessness

is that selfishness is the quality of being selfish, the condition of putting one's own interests before those of others while ruthlessness is the property of being ruthless.

As a noun ruthlessness is

the property of being ruthless.

As nouns the difference between ruthlessness and truthlessness

is that ruthlessness is the property of being ruthless while truthlessness is the state of being truthless, untruthfulness.

As nouns the difference between ruthlessness and efficiency

is that ruthlessness is the property of being ruthless while efficiency is the extent to which time is well used for the intended task.