| A | B |
|---|
| illegible | no legible; not able to be read |
| illiterate | unable to read and write; uneducated |
| illogical | not observing the rules of logic (correct reasoning) |
| immaculate | not spotted; absolutely clean; stainless |
| immature | not mature; not grown or developed |
| impunity | state of not being punished; freedom from punishment, harm, loss |
| inaccessible | not accessible; not able to be reached; hard to get |
| incessant | not ceasing; continuing without interruption |
| inflexible | not flexible; not easily bent; firm, unyielding |
| ingratitude | state of not bring grateful; lack of gratitude |
| inhospitable | not showing kindness to guests and strangers; unfriendly |
| insoluble | incapable of being solved; unsolvable; not capable of being dissolved |
| irreconcilable | not reconcilable; not able to be brought into friendly accord |
| irrelevant | not relevant; not applicable; off the topic |
| irrevocable | not revocable; incapable of being recalled; past recall |
