boisterous
UK[ˈbɔɪstərəs]US[ˈbɔɪstərəs]
adj
(of a person, event, or behavior) noisy, energetic, and cheerful; rowdy.
adj
(of weather or water) wild and stormy.
Etymology
the word 'boisterous' has a journey shrouded in some etymological mystery. it arrived in middle english from the anglo-norman french 'boistrous', carrying the sense of roughness or coarseness, particularly in reference to weather or behavior. while its precise pre-french roots are unclear, one plausible theory connects it to an old french term linked to the idea of swelling or bulging, metaphorically extending to turbulent or unruly conduct. over time, its meaning softened slightly from outright roughness to describe noisy, exuberant, and uncontrolled high spirits, applicable to both people and the elements. this evolution reflects a shift from a purely negative descriptor to one that can encompass a more cheerful, if rowdy, energy.
Analysis
this word is a simplex form. it entered english as a whole unit from the anglo-norman french word 'boistrous', meaning 'rough' or 'coarse'. its ultimate origin is uncertain but may be related to an old french word meaning 'to bulge' or 'to be rough'.
Examples
the boisterous children ran through the park, laughing and shouting.
the party next door was so boisterous that we couldn't sleep.
they sailed back to port to escape the boisterous sea.