| 5000 Vocabulary List for Visiting Scholars in the USA - Page 373 | |||
| Word | Type | Used in a Sentence | Synonym | 
| obstinate | adj. | She's an obstinate woman to work with. | stubborn | 
| obtain | verb | We will obtain our visa tomorrow. | procure | 
| obvious | adj. | She was an obvious choice for leader. | clear | 
| obviously | adv. | She was obviously the best candidate. | clearly | 
| occasion | noun | On that occasion we did not see her. | occurrence | 
| occasional | adj. | We had an occasional dance together. | infrequent | 
| occupation | noun | His occupation was teacher. | job | 
| noun | The occupation of Japan began in 1945. | foreign rule | |
| occupy | verb | We will occupy the house on the first. | inhabit | 
| verb | The U.S. occupied Japan for years. | held | |
| occur | verb | This can occur at any time. | happen | 
| verb | The idea never occurred to me. | dawned on | |