| indefensible(adjective, unwarranted, accusation, vice, forgiveness) |
| groundless(adjective, careless, unwarranted, defended, verbal attack) |
| unwarranted(adjective, right, reasonable, unreasonable, extreme) |
| unjustified(adjective, wrong, improper, unwarranted, untrue) |
| unreasonable(adjective, wrong, improper, excessive, unnecessary) |
| unfounded(adjective, unwarranted, defended, verbal attack) |
| inexcusable(adjective, unreasonable, improper, unwarranted, accusation) |
| insupportable(adjective, defended, verbal attack) |
| unsustainable(adjective, defended, verbal attack) |
| unpardonable(adjective, unwarranted, accusation, vice, forgiveness) |
| untenable(adjective, defended, verbal attack) |
| unwarrantable(adjective, wrong, unreasonable, extreme, improper) |
| baseless(adjective, unwarranted, substantiation) |
| undue(adjective, unreasonable, extreme, improper, senseless) |
| unforgivable(adjective, unwarranted, forgiveness, unjustified, undeserved) |
| unconscionable(adjective, extreme, improper, senseless, excessive) |
| extravagant(adjective, improper, excessive, unwarranted, unnecessary) |
| gratuitous(adjective, excessive, unwarranted, untrue, flimsy) |
| unfair(adjective, extreme, improper, extravagant, senseless) |
| wanton(adjective, careless, cruel, unwarranted, malicious) |