ornery

/ˈɔrnəri/
adjective
  1. Bad-tempered or easily annoyed; in a grumpy mood.
    • He gave an ornery reply to the simple question.
    • The old man was feeling ornery and refused to talk to anyone.
    • My cat gets ornery when she hasn't had her nap.
  2. Stubborn and difficult to deal with.
    • That ornery mule wouldn't move an inch.
    • The ornery lock just wouldn't open no matter what I tried.
    • She had an ornery streak that made negotiations tough.