The definition of boisterous is something noisy, loud and rowdy.
(adjective)An example of boisterous is a drunk person loudly shouting across a room.
See boisterous in Webster's New World College Dictionary
adjective
Origin: ME boistreous, crude, coarse, altered < boistous, unmannerly, violent < ? OFr boisteus, limping, rough
Related Forms:
See boisterous in American Heritage Dictionary 4
adjective
Origin:
Origin: Middle English boistres
Origin: , variant of boistous, rude, rough
Origin: , perhaps from Old French boisteus, lame, limping
Origin: , from boiste, knee joint
.Related Forms:
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