| A | B |
| immobility | the stae of beign without movement or motion |
| improbable | unlikely; doubtful |
| inability | lack of aptitude, kowledge, or skill |
| inadequate | not sufficient; unsatisfactory |
| inarticulate | having to do with unclear or mumbled speech |
| incapacitate | to take away strength or ability; to disable |
| incomprehensible | not able to be understood or believed |
| incongruity | a lack of harmony; incompatibility |
| indisputable | unquestionalbe; beyond doubt |
| inefficient | having to do with wasting time, space, or materials |
| inept | not qualified; unfit |
| inscrutable | mysterious; difficult to comprehend |
| invulnerable | not capable of being damaged, wounded, or hurt |
| irreconcilable | not able to be resolved or restored to friendship or harmony |
| irreparable | unable to be corrected or fixed |