belligerence

As a noun belligerence

is a state of being belligerent.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between belligerence and enmity

is that belligerence is a state of being belligerent while enmity is the quality of being an enemy; hostile or unfriendly disposition.

As nouns the difference between belligerence and conflict

is that belligerence is a state of being belligerent while conflict is a clash or disagreement, often violent, between two opposing groups or individuals.

As a verb conflict is

to be at odds (with); to disagree or be incompatible.

Mettle is a related term of belligerence.

As nouns the difference between mettle and belligerence

is that mettle is a quality of endurance and courage while belligerence is a state of being belligerent.

Grit is a related term of belligerence.

As nouns the difference between grit and belligerence

is that grit is (canada|politics) a member or supporter of the liberal party of canada or one of its provincial wings (except for the quebec provincial wing) while belligerence is a state of being belligerent.

As an adjective grit

is (canada|politics) of or belonging to the liberal party of canada.

As nouns the difference between truculence and belligerence

is that truculence is the state of being truculent while belligerence is a state of being belligerent.

Fight is a synonym of belligerence.

As nouns the difference between fight and belligerence

is that fight is an occasion of fighting while belligerence is a state of being belligerent.

As a verb fight

is (label) to contend in physical conflict, either singly or in war, battle etc.

Toughness is a related term of belligerence.

As nouns the difference between toughness and belligerence

is that toughness is (uncountable) the state of being tough while belligerence is a state of being belligerent.

As nouns the difference between bellicism and belligerence

is that bellicism is an inclination to war; warlike policy or behaviour while belligerence is a state of being belligerent.