| 5000 Vocabulary List for Visiting Scholars in the USA - Page 273 | |||
| Word | Type | Used in a Sentence | Synonym |
| ignorant | adj. | He was an ignorant man. | uneducated |
| ignore | verb | Ignore him and he will go away. | disregard |
| ill | adv. | The doctor said he was ill. | sick |
| adj. | It was an ill conceived idea. | poorly | |
| illegal | adj. | That is an illegal act. | unlawful |
| illiterate | adj. | We hired an illiterate worker. | can't read/write |
| noun | He was a good worker but illiterate. | can't read/write | |
| illness | noun | The illness made him to lose his job. | sickness |
| illuminate | verb | The room was illuminated by candles. | lighted |
| illusion | noun | It wasn't there. It was an illusion. | delusion |
| illustrate | verb | We illustrated our book with pictures. | explained |
| illustration | noun | The illustration was very clear. | picture |
| noun | His illustration helped us to learn. | example | |