"Overt aggression" means displaying aggressive behavior openly and directly, without trying to hide it or using indirect methods. It refers to acts of hostility or violence that are easily observable and easily perceived by others. Full definition
It is quite manageable, responds progressively, and bites with determination instead of overt aggression. (automobilemag.com)
Maternal psychological control was positively associated with overt aggression for all boys, but with social aggression only for Latino boys. (link.springer.com)
Guided by a social information processing perspective, this study examined the unique and interactive contributions of social anxiety and two distinct components of empathy, empathic concern and perspective taking, to subsequent relational and overt aggression in early adolescents. (link.springer.com)