| Term | Definition |
| heresy | a religious belief opposed to the established doctrine |
| hoax | a practical joke |
| hue | that quality which makes one color differ from other colors; a particular shade or tint of a |
| humility | absence of vanity |
| hurtle | to dash; to move swiftly and with great force |
| hyperbole | extreme exaggeration for effect and not meant to be taken literally |
| hypercritical | overly critical; to severe in judgment |
| ignominy | public shame, disgrace, or dishonor |
| impeccable | faultless; without sin or blemish |
| implacable | cannot be appeased or pacified |
| inane | without sense or meaning; silly; empty |
| incarcerate | to put into prison; to confine |
| incisive | sharp; keen; penetrating |
| incognito | hiding one's name, rank, position; disguised |
| indiscreet | not wise or judicious; imprudent, as in speech or action |