Synonyms of the word

fierce

• adj. Exceedingly violent, severe, ferocious or savage.
• adj. Resolute or strenuously active.
• adj. Threatening in appearance or demeanor.
• adj. (slang, Ireland, rural) Excellent, very good.
• adj. (slang, US) Of exceptional quality, exhibiting boldness or chutzpah.
• adv. (slang, Ireland, rural) Extremely; very.

boisterous

• adj. Full of energy; exuberant; noisy.
• adj. Characterized by violence and agitation; wild; stormy.
• adj. Having or resembling animal exuberance.

bowelless

• adj. (obsolete) Without pity.

cutthroat

• n. A murderer who slits the throats of victims.
• n. An unscrupulous, ruthless or unethical person.
• n. A three-player pocket billiards game where the object is to be the last player with at least one ball…
• adj. Involving the cutting of throats.
• adj. Of or relating to a card game where everyone plays for him or herself rather than playing with a partner.
• adj. Ruthlessly competitive, dog-eat-dog.

ferocious

• adj. Marked by extreme and violent energy.
• adj. Extreme or intense.

furious

• adj. Transported with anger or passion; raging; violent.
• adj. Rushing with impetuosity; moving with violence.

intense

• adj. Strained; tightly drawn.
• adj. Strict, very close or earnest.
• adj. Extreme in degree; excessive.
• adj. Extreme in size or strength.
• adj. Stressful and tiring.
• adj. Very severe.

merciless

• adj. Showing no mercy; cruel and pitiless.

rough

• adj. Having a texture that has much friction. Not smooth; uneven.
• adj. Approximate; hasty or careless; not finished.
• adj. Turbulent.
• adj. Difficult; trying.
• adj. Crude; unrefined.
• adj. Violent; not careful or subtle.
• adj. Loud and hoarse; offensive to the ear; harsh; grating.
• adj. Not polished; uncut; said of a gem.
• adj. Harsh-tasting.
• n. The unmowed part of a golf course.
• n. A rude fellow; a coarse bully; a rowdy.
• n. (cricket) A scuffed and roughened area of the pitch, where the bowler's feet fall, used as a target by…
• n. The raw material from which faceted or cabochon gems are created.
• n. A quick sketch, similar to a thumbnail, but larger and more detailed. Meant for artistic brainstorming…
• n. (obsolete) Boisterous weather.
• v. To create in an approximate form.
• v. (ice hockey) To commit the offense of roughing, i.e. to punch another player.
• v. To render rough; to roughen.
• v. To break in (a horse, etc.), especially for military purposes.
• adv. In a rough manner; rudely; roughly.

savage

• adj. Wild; not cultivated.
• adj. Barbaric; not civilized.
• adj. Fierce and ferocious.
• adj. Brutal, vicious, or merciless.
• adj. (Britain, slang) Unpleasant or unfair.
• n. (pejorative) An uncivilized or feral human; a barbarian.
• n. (figuratively) A defiant person.
• v. To attack or assault someone or something ferociously or without restraint.
• v. (figuratively) To criticise vehemently.
• v. (of an animal) To attack with the teeth.
• v. (obsolete, transitive) To make savage.

stormy

• adj. Of or pertaining to storms.
• adj. Characterized by, or proceeding from, a storm; subject to storms; agitated with strong winds and heavy…
• adj. Proceeding from violent agitation or fury.
• adj. Violent; passionate; rough.

tearing

• v. present participle of tear.
• adj. very hasty.
• n. The act by which something is torn; a laceration.
• n. (computer graphics) Distortion of an animated display when the contents of the framebuffer are rendered…
• n. (medicine) continuous shedding of tears; epiphora.

trigger-happy

• adj. (idiomatic) Having a tendency or desire to shoot a firearm irresponsibly before adequately identifying…
• adj. (idiomatic) Inclined to behave recklessly or violently at the slightest provocation.

unmerciful

• adj. not showing mercy.

vehement

• adj. Showing strong feelings; passionate; forceful or intense.

violent

• adj. Involving extreme force or motion.
• adj. Involving physical conflict.
• adj. Likely to use physical force.
• adj. Intensely vivid.
• adj. (obsolete) Produced or effected by force; not spontaneous; unnatural.
• v. (transitive, archaic) To urge with violence.
• n. (obsolete) An assailant.