| 5000 Vocabulary List for Visiting Scholars in the USA - Page 621 | |||
| Word | Type | Used in a Sentence | Synonym | 
| uneasy | adj. | There was an uneasy truce between them. | awkward | 
| unemployment | noun | Unemployment was a crisis in my life. | jobless | 
| unexpected | adj. | This was an unexpected pleasure. | unforeseen | 
| unfair | adj. | He took unfair advantage of her, | unethical | 
| unfit | adj. | She was judged an unfit parent. | unsuitable | 
| unfold | verb | The events unfolded as if in a dream. | were made known | 
| verb | She unfolded the drawings. | spread out | |
| unfortunate | adj. | He was an unfortunate man. | ill-fated | 
| unhappy | adj. | She was unhappy about the situation. | sorrowful | 
| uniform | noun | All the school children wore uniforms. | alike clothes | 
| adj. | The uniform quality was most welcome. | consistent | |
| union | noun | The trade union protected the workers. | alliance | 
| noun | It was a union of two happy people. | marriage | |