Dictionary definition of grumpy

1. My cat is always grumpy in the mornings and likes to be left alone.
2. The teacher's grumpy attitude affected the students' enthusiasm for the subject.
3. The grumpy cashier scowled at customers as they approached the counter.
4. The grumpy old dog barked at anyone who came near its yard.
5. The tired traveler became increasingly grumpy during the long delay at the airport.
6. The grumpy weather made the picnic less enjoyable.
7. The grumpy receptionist made it clear that she was not in the mood to help.
8. The grumpy old man sat alone on the park bench, scowling at passersby.
9. The grumpy cat refused to be petted and swatted at anyone who tried.
10. The grumpy neighbor complained about the noise from our party.
11. The grumpy customer yelled at the waiter for bringing the wrong order.
12. The child's grumpy behavior improved after a hug and a snack.
13. The grumpy bus driver greeted each passenger with a scowl.
14. He's always grumpy in the morning before his coffee.
15. Don't talk to her when she's feeling grumpy.
16. His grumpy demeanor ruined the mood at the party.
17. The long wait in traffic made everyone grumpy.
18. A lack of sleep often leaves me feeling grumpy.
19. The rainy weather put everyone in a grumpy mood.
20. She can be so grumpy when she's hungry.
21. His grumpy attitude is a real downer sometimes.
22. I try to avoid him when he's in a grumpy mood.
23. Being stuck indoors made the kids a bit grumpy.
24. A good night's sleep can cure a grumpy disposition.