| 5000 Vocabulary List for Visiting Scholars in the USA - Page 390 | |||
| Word | Type | Used in a Sentence | Synonym | 
| overthrow | verb | They intend to overthrow the government. | usurp | 
| noun | The overthrow of the leaders was fast. | ousting | |
| overwhelm | verb | We shall overwhelm the enemy. | overpower | 
| overwhelming | adj. | The evidence was overwhelming. | overpowering | 
| owe | verb | We owe them $4000 for the car. | are indebted to | 
| owl | noun | The owl is reputed to be wise. | type of bird | 
| own | verb | I own the house I live in. | possess | 
| adj. | That is my own car. | private | |
| owner | noun | We are the owner of an airplane. | possessor | 
| ownership | noun | The ownership of the boat is hers. | possession | 
| ox | noun | The farmer used an ox to plow. | male bovine | 
| oxygen | noun | All humans need to breathe oxygen. | air |