outrageous > fierce, violent

3 But back again the sparkling steel recoiled, 4 And left not any mark where it did light;

light > strike; fall, alight

5 As if in adamant rock it had been pight.

pight > pitched, placed; hence: struck

6 The beast, impatient of his smarting wound

impatient > intolerant, unable to bear the agony smarting > acutely painful

7 And of so fierce and forcible despite,

so > such forcible > strong; unavoidable despite > anger; injury; defiance

8 Thought with his wings to sty above the ground;