7001 - 8000 Vocabulary List for Visiting Scholars in the USA - Page 51

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