Feeling or showing no pity or compassion; pitiless, unsparing, merciless, remorseless.

Pitiless, unmerciful; cruel, harsh.

Without pity or compassion; showing no pity; merciless. Also figurative.

Pitiless, unmerciful; harsh.

Having no bowels; figurative unaffectionate, pitiless.

Not feeling or showing pity; unstintingly harsh.

figurative with many varieties of sense. Hard as brass, pitiless, unfeeling.

Void of tears; shedding no tears, not weeping.

Not compassionate; void of compassion or pity.

Originally: pitiless, hard-hearted. Later more generally: having the heart closed off from sympathy, uncaring. Now rare.

Wanting in compassion; unfeeling.

(See quots.)

Devoid of, wanting in, compassion.

Without bowels; without compassion or pity; merciless, unfeeling.

Not ‘complexionate’; not influenced by the mental ‘complexion’ or humour.

(un-, prefix1 affix 4.)

Pitiless, merciless.

figurative. Devoid of life, energy, or movement; motionless, lifeless; (also) void of feeling; unfeeling, pitiless, heartless.

Not humane; destitute of compassion for misery or suffering in people or animals.

Ruthless, pitiless.