| ostentatious | Characterized by vulgar or pretentious display; designed to impress or attract notice | |
| ostracized | To exclude someone from a society or group | |
| outmoded | Old-fashioned or outdated | |
| overweening | Showing excessive confidence or pride | |
| pacific | Peaceful in character or intent | |
| painstaking | Done with great care and thoroughness | |
| palatial | Resembling a palace in being spacious and splendid | |
| palimpsest | A manuscript or piece of writing material on which the original writing has been effaced to make room for later writing but of which traces remain | |
| pall | A cloth spread over a coffin, hearse, or tomb | |
| pallid | Pale, typically because of poor health | |