| A | B |
|---|
| illegal | against the law |
| indent | to set the first line of a paragraph in from a margin |
| imperfect | not perfect; having faults or defects |
| irregular | not conforming to accepted rules |
| incurable | not able to become well or recover from |
| immediate | without delay, urgent or pressing |
| inquire | ask for information |
| impatient | unable to tolerate delay or opposition |
| individual | single |
| insert | to put an item into something |
| impolite | not showing good manners, rude |
| illegible | hard or impossible to read |
| irresistible | impossible to refuse or withstand |
| infection | invasion of the body by disease-causing germs |
| illustrate | to make clear or explain by using examples |
| innocent | not dangerous, guilty, or harmful |
| improper | not suited to the circumstances |
| instrument | implement or device for a specific purpose |
| immovable | having a permanently fixed position |
| irrational | without sense, good judgment, or reason |
| informal | having a relaxed or unofficial manner |
| indirect | not straightforward or in a straight line |
| improve | to become or make better or enhance in value |
| incomplete | not finished or not whole |
| impress | affect or influence in a favorable way |
