Belligerently

bel·lig·er·ent  (b-ljr-nt)

adj.

1. Inclined or eager to fight; hostile or aggressive.

2. Of, pertaining to, or engaged in warfare.

n.

One that is hostile or aggressive, especially one that is engaged in war.

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[Latin belligerns, belligerant-, present participle of belligerre, to wage war, from belliger, warlike : bellum, war + gerere, to make.]

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bel·liger·ent·ly adv.

Synonyms: belligerent, bellicose, pugnacious, contentious, quarrelsome
These adjectives mean having or showing an eagerness to fight. Belligerent refers to a tendency to hostile behavior: A belligerent reporter badgered the politician.
Bellicose and pugnacious suggest a natural disposition to fight: "All successful newspapers are ceaselessly querulous and bellicose" H.L. Mencken. A good litigator needs a pugnacious intellect.
Contentious implies chronic argumentativeness: "His style has been described variously as abrasive and contentious, overbearing and pompous" Victor Merina.
Quarrelsome suggests bad temper and a perverse readiness to bicker: "The men gave him much room, for he was notorious as a quarrelsome person when drunk" Stephen Crane.

Thesaurus

Adv.

1.

belligerently - with hostility; in a belligerent hostile manner; "he pushed her against the wall belligerently" hostilely