| 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 color; a particular shade or tint of a given color |
| 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 |
| hypercritically | over critical, too severe in judgement |
| 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 |