| A | B |
| Hedge | to avoid giving a clear answer, thereby escaping responsibility or blame |
| Heed | notice; pay attention to |
| Heinous | shockingly evil |
| Heresy | an opinion expressed in defiance of generally accepted ideas |
| Hiatus | gap; interruption; a break in the continuity of a process; a pause |
| Hierarchy | a group of people in authority, ranked in order of power; a sequential listing |
| Homage | respect paid to someone or something; tribute; honor |
| Homogeneous | the same throughout; consistent; uniform |
| Hyperbole | extreme exaggeration |
| Hypocrite | an insincere person; one who pretends to have feelings he doesn't really have |
| Idolatry | the worship of objects or people as gods |
| Imbue | to fill, as with a strong dye or a strong feeling |
| Imminent | about to take place; happening soon |
| Immutable | unable to change |
| Impair | weaken in strength or value |
| Impasse | a situation from which you cannot escape; stalemate |
| Impassive | without feeling; expressionless |
| Impede | get in the way; hinder |
| Impetuous | making quick decisions and taking sudden action; hasty; impulsive |
| Impostor | pretender |
| Impudence | rudeness; insolence |
| Inadvertent | unintentional |
| Inane | silly; insignificant |
| Inaugurate | begin; induct into |
| Incessant | continuous; endless |
| Inchoate | not yet fully developed |
| Incite | arouse to action; stir up; foment |
| Incompatible | incapable of existing together in peace |
| Incongruous | out of place |