One word for one phrase:
1. Make worse - Aggravate (ಹದೆಗೆಡಿಸು)
2. Drive someone in a vehicle - Chauffeur (ಕಾರಿನಲ್ಲಿ ಯಾರನ್ನಾದರೂ ಕರೆದೊಯ್ಯುವುದು)
3. Decline in value - Depreciate (ಕ್ಷೀಣಿಸು)
4. An inscription in memory of a buried person - Epitaph (ಸಮಾಧಿಲೇಖ)
5. Not revealing one's thoughts or feelings readily. - Reticent (ಹಿಡಿತದ ಮಾತಿನ)
6. Do away with - Abolish (ರದ್ದುಪಡಿಸುವಂತೆ)
7. Equally skillful with each hand - Ambidextrous (ಇರ್ಕ್ಕೈ ಕುಶಲ)
8. The form of a literary work submitted for publication - Manuscript (ಹಸ್ತಪ್ರತಿ)
9. A person with the same name as another - Namesake (ನಾಮಕಾವಸ್ತೆ)
10. A person who travels by foot - Pedestrian (ಪಾದಚಾರಿ)