1. boisterous and unruly; loud and disorderly
Usage: archaic or literary

Examples

• The roisterous crowd filled the tavern with laughter and song.
• His roisterous behavior at the party embarrassed his friends.
• The roisterous celebration continued well into the night.
• She tried to calm the roisterous children in the classroom.
• The roisterous sailors told tales of their adventures at sea.
• The festival was marked by roisterous dancing and merrymaking.