unmerciful

As an adjective unmerciful is

not showing mercy.

Harsh is a related term of unmerciful.

As adjectives the difference between harsh and unmerciful

is that harsh is unpleasantly rough to the touch or other senses while unmerciful is not showing mercy.

As a verb harsh

is (slang) to negatively criticize.

Unmerciful is a related term of villainous.

As adjectives the difference between unmerciful and villainous

is that unmerciful is not showing mercy while villainous is of, relating to, or appropriate to a villain.

Unfeeling is a related term of unmerciful.

As adjectives the difference between unfeeling and unmerciful

is that unfeeling is without emotion or sympathy while unmerciful is not showing mercy.

As adjectives the difference between unmoved and unmerciful

is that unmoved is not physically moved while unmerciful is not showing mercy.

Obdurate is a synonym of unmerciful.

As adjectives the difference between obdurate and unmerciful

is that obdurate is stubbornly persistent, generally in wrongdoing; refusing to reform or repent while unmerciful is not showing mercy.

Unmerciful is a related term of inhumane.

As adjectives the difference between unmerciful and inhumane

is that unmerciful is not showing mercy while inhumane is lacking pity or compassion for misery and suffering; cruel, unkind, not humane.

Unmerciful is a related term of unsparing.

As adjectives the difference between unmerciful and unsparing

is that unmerciful is not showing mercy while unsparing is without sparing.

Savage is a related term of unmerciful.

As a proper noun savage

is .

As an adjective unmerciful is

not showing mercy.

Unmerciful is a related term of inexorable.

As adjectives the difference between unmerciful and inexorable

is that unmerciful is not showing mercy while inexorable is unable to be persuaded; relentless; unrelenting.