| A | B |
|---|
| opaque | the curtains were made of ____________________ material to shut out the light. |
| orthodox | adhering to accepted beliefs |
| ominous | People were concerned about the threats of war, which had become increasingly ____________________. |
| obtuse | They were too ____________________to follow even the simplest instructions. |
| oppressive | physically or mentally distressing |
| obsession | Over the years the stamp collector developed a great ____________________ for owning every stamp listed in his albums. |
| optimistic | In spite of losing all the primaries, the candidate still appeared ____________________. |
| ostracize | to exclude form a group; to banish |
| omen | a sign of what is to happen |
| oratory | skillful public speaking |
| something new | novelty |
| nuance | a subtle difference in meaning, expression, tone, etc. |
| naivete | quality of being unsophisticated; innocence; simplicity |
| notoriety | fame or wide publicity, especially for something bad |
| nurture | to support and encourage growth and development |
