a. [ L. obstreperus, from obstrepere to make a noise at; ob (see Ob-) + strepere to make a noise. ] 1. Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous. “The obstreperous city.” Wordsworth. “Obstreperous approbation.” Addison. [ 1913 Webster ]
Beating the air with their obstreperous beaks. B. Jonson. [ 1913 Webster ]
2. Resistant to control; unruly. [ PJC ]
-- Ob*strep"er*ous*ly, adv. -- Ob*strep"er*ous*ness, n. [ 1913 Webster ]