I. adjective 1. hostile and aggressive • the mood at the meeting was belligerent.
2. engaged in a war or conflict, as recognized by international law. • a conference of socialists from all belligerent countries.
II. noun a nation or person engaged in war or conflict, as recognized by international law. • ships and goods captured at sea by a belligerent.
III. derivatives belligerently /bəˈlɪdʒərəntli / adverb
– origin late 16th cent.: from Latin belligerant- ‘waging war’, from the verb belligerare, from bellum ‘war’.