| not cut out for(expression, idiom, weak, skill, inadequate) |
| not equal to(weak, skill, inadequate, unfit, inept) |
| not up to(weak, skill, inadequate, unfit, inept) |
| null and void(expression, adjective, idiom, ineffectual, impotence) |
| otherworldly(wild, unreasonable, useless, absurd, abstract) |
| out of commission(expression, weak, skill, unfit, inept) |
| purposeless |
| quixotic(wild, unreasonable, useless, absurd, abstract) |
| romantic(wild, unreasonable, useless, absurd, abstract) |
| sidelined(weak, skill, inadequate, unfit, inept) |
| skill(weak, inadequate, unfit, inept, powerless) |
| speculative(wild, unreasonable, useless, absurd, abstract) |
| spineless(adjective, inferior, inadequate, limited, feeble) |
| starry-eyed(wild, unreasonable, useless, absurd, abstract) |
| stillborn |
| theoretical(wild, unreasonable, useless, absurd, abstract) |
| thwarted(adjective, arouse bad feelings) |
| toothless |
| unattainable(wild, unreasonable, useless, absurd, unrealistic) |
| unauthoritative |