Main Entry: ob·strep·er·ous

Pronunciation: \əb-ˈstre-p(ə-)rəs, äb-\

Function: adjective

Etymology: Latin obstreperus, from obstrepere to clamor against, from ob- against + strepere to make a noise

Date: circa 1600

1 : marked by unruly or aggressive noisiness : clamorous <obstreperous merriment>
2 : stubbornly resistant to control : unruly

synonyms see vociferous

— ob·strep·er·ous·ly adverb

— ob·strep·er·ous·ness noun