Difference between Unmerciful and Fierce

UNMERCIFUL vs FIERCE: ADJECTIVE

Marked by extreme intensity of emotions or convictions; inclined to react violently; fervid
Ruthless in competition
Marked by extreme and violent energy
Violently agitated and turbulent
Characterized by or showing hostility.
Extremely powerful or destructive.
Intense in activity or feeling; vigorous or ardent.
Of exceptional quality, exhibiting boldness or chutzpah.
Very, excellent.
Threatening in appearance or demeanor.
Resolute or strenuously active.
Extremely violent, severe, ferocious or savage.
Excessively earnest, eager, or ardent.
Vehement in anger or cruelty; ready or eager to kill or injure; of a nature to inspire terror; ferocious.
Furious; violent; unrestrained; impetuous.
Hostile and violent, especially by nature or temperament; ferocious.

Not merciful; not influenced by mercy; unkind; cruel; inhuman; merciless: of persons or things.
Unconscionable; exorbitant.

Wild, as a beast; savage; ferocious; having a cruel or rapacious disposition or intention: as, a fierce lion; a fierce pursuer.
Ferocious in quality or manifestation; indicating or marked by savage cruelty or rage.
Violent; vehement; impetuous; passionate; ardent.
Wild; disordered; dreadful.
Strong; powerful.
Great; large (of number).
Brisk; lively.
Sudden; precipitate.
=Syn. 1–3. Infuriate, fell, fiery, passionate, barbarous, rapacious, ravenous.
Inclined to react violently
Fervid

Heartless, Cruel, Unforgiving, Brutal, Relentless, Unpitying, Bowelless, Cutthroat, Tigerish, Fierce, Mortal, Ruthless, Remorseless, Pitiless, Merciless

Spirited, Bowelless, Tearing, Violent, Rough, Boisterous, Unmerciful, Stormy, Merciless, Cutthroat, Furious, Savage, Vehement, Intense, Ferocious

Heartless, Cruel, Unforgiving, Brutal, Relentless, Unpitying, Bowelless, Cutthroat, Tigerish, Fierce, Mortal, Ruthless, Remorseless, Pitiless, Merciless

Spirited, Bowelless, Tearing, Violent, Rough, Boisterous, Unmerciful, Stormy, Merciless, Cutthroat, Furious, Savage, Vehement, Intense, Ferocious

Thank you Great Spirit for your Unmerciful Treatment, I am waiting for you to return.
God, despiteful, proud, boasters, inventors of evil things, disobedient to parents, without understanding, covenant breakers, without natural affection, implacable, unmerciful.
Either these laws are barbarous or the transportation is unjust and unmerciful to those living out of the State.
Undoubtedly to some, the idea of giving so much love to self will seem very cold, hard and unmerciful.
Through the parable of the unmerciful servant, the Savior taught why we must forgive others.
Far be it that we should ever think such an iniquity that God could become unmerciful!
Coston, who was in the habit of prefacing breakfast with prayers of unmerciful length.
Unfortunately some of the priest unmerciful in the continued abuses.
Vicious Rumors offers up an unmerciful audio thrashing on the listener with Razorback Killers.
The dead and disturbed are unmerciful in their revenge!

Or their fierce passion towards upholding moral conviction?
Today, competition in the job market is fierce.
American, triggering fierce resentment in this proud colonial.
This dining room is fierce, bold and colourful.
This will mean that it is less fierce.
We had fierce arguments about Vietnam and we had fierce arguments about Iraq.
Now a fierce feeling against Carrie welled upjust one fierce, angry thought before the whole thing slipped out of his mind.
Fiona remembers the fierce midwifery tutors they had and the most fierce was Sister Madeline.
Fierce At Home that explains why I love it and compares my results with Fierce vs BBG.
Fierce Icon is an updated, yet darker and sharper version of the original Fierce.