Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous. "The obstreperous city." Wordsworth. "Obstreperous approbation." Addison. Beating the air with their obstreperous beaks. B. Jonson. -- Ob*strep"er*ous*ly, adv. -- Ob*strep"er*ous*ness, n.
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