obstreperous

adjectives

noisily and stubbornly defiant
"obstreperous boys"
is derived from
is similar to
boldly resisting authority or an opposing force
"brought up to be aggressive and defiant"; "a defiant attitude"
boisterously and noisily aggressive
"kept up an obstreperous clamor"
is derived from
is similar to
having or showing determination and energetic pursuit of your ends
"an aggressive businessman"; "an aggressive basketball player"; "he was aggressive and imperious; positive in his convictions"; "aggressive drivers"