| void(adjective, worthless, unacceptable, meaningless, invalid) |
| ineffectual(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| invalid(adjective, worthless, unacceptable, meaningless, unsubstantiated) |
| vain(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| avoided(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| bad(adjective, worthless, unacceptable, meaningless, invalid) |
| dead(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| forceless(adjective, void, meaningless, invalid, unsubstantiated) |
| fruitless(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| ineffective(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| inoperative(adjective, worthless, unacceptable, meaningless, invalid) |
| meaningless(adjective, invalid, unsubstantiated, unsupported, annulled) |
| negated(adjective, meaningless, invalid, unsubstantiated, unsupported) |
| not viable(expression, adjective, void, meaningless, invalid) |
| nugatory(adjective, worthless, unacceptable, meaningless, invalid) |
| null(adjective, worthless, unacceptable, meaningless, invalid) |
| null and void(expression, adjective, idiom, worthless, unacceptable) |
| nullified(adjective, void, meaningless, invalid, unsubstantiated) |
| set aside(expression, adjective, void, meaningless, invalid) |
| sterile(adjective, meaningless, invalid, unsubstantiated, unsupported) |