IPA: /ˌhaɪpəˈɡrɛsɪv/
KK: /haɪpərəˈɡrɛsɪv/
Very aggressive or hostile, often to an extreme degree.
The hyperaggressive dog barked loudly at everyone who passed by.
Hyperaggressive → It is formed from "hyper-" (from Greek "hyper", meaning over or excessive) and "aggressive" (from Latin "aggressivus", meaning to attack). The word describes a state of being excessively aggressive or overly confrontational.
Think of 'hyper-' meaning 'over' or 'excessive' combined with 'aggressive' which means to attack — this helps you remember that 'hyperaggressive' refers to someone who is overly confrontational.