† obˈstreperate,v.Obs.rare—1. [f. L. obstreper-us(see obstreperous) + -ate3 7.] intr. To make a noise or clamour. 1765Sterne Tr. Shandy VII. xxii, Thump—thump—obstreperated the abbess..with the end of her goldheaded cane against the bottom of the calash.