NSW Opportunity Class
Boisterous
adjective/BOY-stur-us/
Noisy, lively and full of rough, cheerful energy.
In contextA boisterous game of chasings filled the playground with shrieks.
Remember it
Boisterous starts like 'boys' being loud — a noisy, rowdy, cheerful racket.
Use it well
Use 'boisterous' for cheerful, energetic noise, not for angry or threatening loudness.