GRE Antonyms Word List - 52

1. opprobrious - irreproachable

2. opprobrious - commendatory

3. opprobrium - praise

4. optimum - worst

5. opulence - poverty

6. opulence - poverty

7. opulent - penurious

8. ornate - simple

9. orotund - not resonant

10. oscillate - remain fixed

11. ossify - transcend conventions

12. ostentatious - unpretentious

13. ostentatious - plain

14. outset - termination

15. outset - termination