Final answer:
Ornery is an adjective that describes someone who is difficult to deal with or stubborn, often displaying irritability or a grumpy temperament.
Step-by-step explanation:
The term ornery is an adjective used in English to describe a person or their temperament as being difficult to deal with or stubborn. Typically, someone who is described as ornery may be quick to get annoyed or may behave in an uncooperative or irritable manner. This word is often used in informal conversation. For example, a character in a book might be described as ornery if they are consistently grumpy and resistant to others' suggestions.