vociferous
Meaning: loud, boisterous
Usage: I’m tired of his vociferous whining so I’m breaking up with him.
raucous
Meaning: loud, boisterous
Usage: Sarah’s neighbors called the cops when her house party got too raucous.
boisterous
Meaning: loud and full of energy
Usage: The candidate won the vote after giving several boisterous speeches on television.
strident
Meaning: harsh, loud
Usage: A strident man, Captain Von Trapp yelled at his daughter and made her cry.
obstreperous
Meaning: noisy, unruly
Usage: Billy’s obstreperous behavior prompted the librarian to ask him to leave the reading room.