Belligerent (5-8)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">belligerent</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for aggressive that I've seen before include "Rudely hostile" , "Vigorous" , "Forceful" , "Combative - pushing" , "Pushy" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">belligerent</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pugnacious that I've seen before include "Combative" , "Aggressive" , "Quarrelsome" .)
(Another definition for sabre-rattling that I've seen is " Aggressive display of military power".)
(Other definitions for surly that I've seen before include "Morose" , "Grumpily bad-tempered" , "Ill-natured" , "Bad-tempered, unfriendly" , "Ill-tempered, unfriendly" .)