| gaunt |
| gelded |
| going nowhere(expression, adjective, silly, stupid, insignificant) |
| groundless(adjective, empty, worthless, frivolous, ineffective) |
| impaired(adjective, inutility, unfertile) |
| impracticable(weak, stupid, idle, trivial, incompetent) |
| in vain(adjective, unsuccess) |
| in vicious circle(expression, adjective, idiom, silly, stupid) |
| incompetent(weak, stupid, idle, inadequate, limited) |
| inconsequential |
| indecisive(weak, inferior, inadequate, limited, feeble) |
| inept(weak, stupid, idle, inadequate, feeble) |
| inferior(inadequate, limited, feeble, useless, vain) |
| innocuous(inferior, inadequate, limited, feeble, useless) |
| insufficient(weak, failure, useless, trivial, incompetent) |
| inutile(adjective, weak, stupid, idle, useless) |
| irrelevant(adjective, stupid, insignificant, useless, empty) |
| kaput |
| leached |
| limited(inferior, inadequate, feeble, useless, vain) |