| impuissant(weak, skill, inadequate, unfit, powerless) |
| inadvisable(foolish, rash, risky) |
| inattentive(obtuse, unperceptive, unobservant) |
| inconvenient(adjective, inexpedient) |
| incorrect(adjective, wrong, rude, false, suitable) |
| inefficacious(adjective, weak, skill, inadequate, feeble) |
| inelegant(simple, rude, awkward, stiff, clumsy) |
| ineligible(adjective, weak, inadequate, useless, incompetent) |
| inoperative(weak, stupid, idle, inadequate, feeble) |
| insensitive(adjective, sharp, rough, rude, careless) |
| inutile(adjective, weak, stupid, idle, useless) |
| irrelevant(wrong, suitable, improper, tasteless, unsuitable) |
| irresolute(adjective, uncertain, awkward, hesitant, clumsy) |
| labored(difficult, uncertain, hesitant, tentative, tortuous) |
| loser(adjective, incompetent, clumsy, inexpert, unskilled) |
| lubberly(adjective, simple, stupid, awkward, clumsy) |
| lumbering(simple, uncertain, awkward, clumsy, bulky) |
| maladjusted(incompetent, unqualified) |
| maudlin |
| mindless(careless, stupid, unthinking, obtuse, unperceptive) |