| Term | Definition |
| hackneyed (adj) | clichéd, worn out by overuse |
| haughty (adj) | arrogant and condescending |
| hedonist (n) | person who pursues pleasure as a goal |
| hypothesis (n) | assumption, theory requiring proof |
| impetuous (adj) | rash, impulsive, acting without thinking |
| impute (v) | to attribute an action to particular person or group |
| incompatible (adj) | opposed in nature, not able to live or work together |
| inconsequential (adj) | unimportant , trivial |
| inevitable (adj) | certain, unavoidable |
| integrity (n) | decency, honesty, wholeness |
| intrepid (adj) | fearless, adventurous |
| intuitive (adj) | instinctive, untaught |
| jubilation (n) | joy, celebration, exultation |
| lobbyist (n) | person who seeks to influence political events |
| longevity (n) | long life |