cantankerous kan-TANG-ker-us adjective WS #7

bad-tempered, argumentative, and uncooperative; showing irritability or ill humor; difficult or irritating to deal with

1. The cantankerous old man shouted at children who came near his yard.
2. She becomes cantankerous when she doesn't get enough sleep.
3. The negotiations were difficult due to the cantankerous attitude of both parties.
4. The cantankerous customer complained about every aspect of the service.
5. His cantankerous remarks often alienated potential friends.