1. Overcast: (cloudy)
2. Overdue: (past the expected time)
3. Overjoyed: (extremely happy)
4. Overlook: (fail to notice)
5. Overpowering: (very strong or intense)
6. Overrun: (spread or grow beyond control)
7. Oversleep: (sleep longer than intended)
8. Overtone: (a subtle hint or suggestion)
9. Overwhelm: (overpower with emotion or feeling)
10. Overwork: (work excessively)