ferocious;  fierce;  truculent;  savage
 fiercely;  ferociously;  furiously;  resolutely
 fierce animal;  beast of prey;  big game
 brave general;  brave warrior;  courageous general
 great speed;  recklessly fast speed
 frantic dash;  rushing at full speed
 daring;  brave;  bold;  valiant;  intrepid;  dauntless
 raging bull;  ferocious bull
 birds of prey (of order Falconiformes or Strigiformes);  raptors
 blizzard;  furious snowstorm
 raging flames;  roaring flames;  raging fire
 strong opposition;  vehement opposition
 studying very hard;  studying like mad
 vehement objection;  bitter opposition
 fierce flames;  raging flames
 furious opposition;  strong opposition;  vehement protest
 savage;  ferocious;  atrocious
 hard training;  intensive training
 heavy bombing;  intensive bombing
 great strength;  courageous army;  valiant troops
 great strength;  courageous army;  valiant troops