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7001 - 8000 Vocabulary List for Visiting Scholars in the USA - Page 51 |
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| Word | Type | Used in a Sentence | Synonym |
| obliterate | verb | He tried to obliterate all trace of her name. | to do away with completely |
| oblivious | adj. | He seemed oblivious to the rules against that. | lacking all memory; forgetful |
| oblong | adj. | Her swimming pool was in an oblong shape. | long with rounded ends |
| obscene | adj. | On parting he made an obscene gesture. | offensive to accepted standards of decency |
| obsess | verb | He seemed to obsess on the idea of sex. | to preoccupy the mind excessively |
| obsolete | adj. | The telex is an obsolete machine in America. | no longer in use |
| ointment | noun | The ointment protected against sunburn. | a highly viscous salve |
| omen | noun | That vulture could be considered an omen. | something that portends good or evil |
| omission | noun | Not listing Mary as a winner was an omission. | failing to mention or write |
| omnipotent | adj. | In days of old the King was omnipotent. | having unlimited power, authority |