| A | B |
| obession | persistent dominating a person's mind |
| obtuse | 1)dull-witted 2)of an angle between 90 degrees and 180 degrees |
| omen | event or object portending good or evil |
| ominous | threatening |
| opaque | not transmitting light |
| oppressive | harsh, tyrannical |
| optimistic | hopeful; believing that good must ultimately prevail over evil |
| oratory | art of or skill in public speaking |
| orthodox | holding usual or established belifes,exspecially on religion, morals, etc. |
| ostracize | banish, refuse to asecciate with |
| ovation | nenthucastic reseption, expesially applacsse |
| palatial | like a palace, spacious and splended |
| panorama | onbracken veiw of a surrounding region |
| paramount | supream, most important |
| passive | showing no intrest or initiative, submisive |