unbacked

defective erroneous false faulty flawed fragile illogical inaccurate incorrect insane insecure shaky unbalanced unhealthy unreliable unsafe unstable

ailing crazed dangerous decrepit delicate demented deranged diseased fallacious frail ill in poor health incongruous infirm insubstantial invalid lunatic mad not solid rickety specious tottering unhinged unsteady unsubstantial unwell weak wobbly

accurate balanced certain correct firm healthy honest just perfect protected rational reasonable reliable right safe sane secure sound stable steady strong sure true valid well