| hopeless(adjective, unreliable, insecure, treacherous, incalculable) |
| hotheaded(adjective, passionate, unstable, unpredictable, unreliable) |
| hyper(adjective, passionate, unstable, unpredictable, unreliable) |
| hypersensitive(adjective, passionate, unstable, unpredictable, unreliable) |
| hypocritical |
| immoral(careless, thoughtless, reckless, negligent, capricious) |
| impatient(adjective, passionate, unstable, unpredictable, unreliable) |
| impetuous |
| imprecise(adjective, vague, unknown, general, unclear) |
| improbable(uncertain, doubtful, unsure) |
| impuissant(adjective, uncertain, feeble, shaky, hesitant) |
| in a quandary(expression, adjective, idiom, uncertain, nervous) |
| in bad mood(expression, adjective, idiom, passionate, unstable) |
| incalculable(adjective, unreliable, insecure, treacherous) |
| incongruous |
| indeterminable(adjective, vague, unknown, general, unclear) |
| inexhaustible(adjective, vague, unknown, general, unclear) |
| insincere |
| lacking(adjective, uncertain, nervous, doubtful, shaky) |
| light |