Nelson-Denny Practice Test 2026 – Complete Exam Prep Resource

The term that best describes something that is hostile and aggressive is "belligerent." This word is often used to characterize behavior that is confrontational, combative, or ready to engage in conflict. It can refer to individuals, groups, or even nations that show a tendency toward warlike behavior or display an eagerness to fight.

In contrast, the other words have different meanings. "Enigma" refers to something that is mysterious or puzzling, lacking any connotation of aggression. "Demise" relates to death or the end of something, which does not imply hostility. "Benevolent" is the opposite of aggression, denoting kindness and a desire to do good. Thus, "belligerent" is clearly the most fitting choice to convey the idea of hostility and aggression.