| A | B |
|---|
| incandescent | giving off light, gleaming, brilliantly shining |
| incantation | use of spells or verbal charms spoken as a part of a magical ritual |
| incipient | in the early stages, just beginning, embryonic |
| incontrovertible | cannot be disproved |
| indelicate | lacking a sensitivity for the feelings of others, tactless |
| indiscreet | an action marked by a lack of decorum, hence tasteless |
| indomitable | incapable of being subdued, unconquerable |
| ineffable | incapable of being expressed, indescribable |
| innate | present in an individual from birth |
| insipid | without flavor, tasteless, not exciting, dull |
| insolent | disrespectful in speech or conduct, haughty |
| insuperable | something incapable of being overcome |
| irrevocable | not possible to revoke, unalterable, unable to be called back |
| legion | a very large number |
| levity | light-hearted humor |
| linchpin | the key element in something |
| machinations | scheming or crafty actions intended to accomplish an evil end |
