| niggling(adjective, slight, important, small, trivial) |
| frivolous(adjective, slight, lower, value, small) |
| futile(adjective, poor, base, value, inferior) |
| idle(adjective, slight, small, silly, insignificant) |
| inoperative(adjective, inferior, inadequate, limited, feeble) |
| small(adjective, slight, lower, important, small) |
| bootless(adjective, failure, inferior, inadequate, limited) |
| hollow(adjective, slight, value, small, silly) |
| inconsiderable(adjective, slight, lower, value, important) |
| invalid(adjective, worthless, trifling, petty, unacceptable) |
| meaningless(adjective, slight, lower, poor, use) |
| valueless(adjective, slight, poor, base, value) |
| empty(adjective, slight, poor, base, value) |
| fruitless(adjective, failure, inferior, inadequate, limited) |
| immaterial(adjective, slight, lower, value, small) |
| inefficacious(adjective, inferior, inadequate, limited, feeble) |
| null(adjective, slight, lower, value, inferior) |
| otiose(adjective, useless, trivial, empty, insufficient) |
| picayune(adjective, slight, lower, value, important) |
| abortive(adjective, failure, inferior, inadequate, limited) |