From Longman Dictionary of Contemporary Englishorneryor‧ne‧ry /ˈɔːnəri $ ˈɔːr-/ adjective American English BAD-TEMPEREDbehaving in an unreasonable and often angry way, especially by doing the opposite of what people want you to do an ornery kid
Examples from the Corpus
ornery• an ornery 10-year-old• The senators were ornery and independent.Origin ornery (1800-1900) ordinary 